{"id":6450,"date":"2026-02-04T20:24:54","date_gmt":"2026-02-04T12:24:54","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/"},"modified":"2026-02-04T20:24:54","modified_gmt":"2026-02-04T12:24:54","slug":"navigating-the-three-levels-of-database-design-conceptual-logical-and-physical","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/","title":{"rendered":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u30c7\u30fc\u30bf\u7ba1\u7406\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u7d44\u7e54\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u591a\u9762\u7684\u306a\u8ab2\u984c\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u660e\u78ba\u306a\u6bb5\u968e\u306b\u5206\u304b\u308c\u3066\u9032\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u8a08\u30ec\u30d9\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u306e\u672c\u8cea\u3092\u6349\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u6574\u5408\u6027\u3001\u52b9\u7387\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u305f\u3069\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u610f\u7fa9\u3084\u9055\u3044\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u7d71\u5408\u3055\u308c\u3066\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u304c\u69cb\u7bc9\u3055\u308c\u308b\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<p id=\"kVSylKT\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-2450\" decoding=\"async\" fetchpriority=\"high\" height=\"512\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_6508717e86ef8.png\" width=\"512\"\/><\/p>\n<h2>\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb vs \u30ed\u30b8\u30ab\u30eb vs \u7269\u7406 ERD<\/h2>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u73fe\u4ee3\u306e\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u76e4\u3067\u3042\u308a\u3001\u6574\u7406\u3055\u308c\u305f\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u5eab\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u7570\u306a\u308b\u30ec\u30d9\u30eb\u3092\u542b\u3080\u69cb\u9020\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5404\u30ec\u30d9\u30eb\u306b\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u76ee\u7684\u304c\u3042\u308a\u3001\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u691c\u8a3c\u3057\u3001\u305d\u308c\u3089\u306e\u9055\u3044\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3001\u305d\u306e\u610f\u7fa9\u3092\u5177\u4f53\u4f8b\u3067\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><img alt=\"Introduction to Data Modeling with Visual Paradigm: ERD Diagramming, Code Generation, and Reverse Engineering - Visual Paradigm Guides\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/from-conceptual-to-logical-to-physical-erd.png\"\/><\/p>\n<ol>\n<li>\n<h3>\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08<\/h3>\n<\/li>\n<\/ol>\n<p>\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6700\u3082\u9ad8\u3044\u62bd\u8c61\u5ea6\u306e\u30ec\u30d9\u30eb\u3067\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u6280\u8853\u7684\u306a\u5b9f\u88c5\u306e\u8a73\u7d30\u306b\u3053\u3060\u308f\u3089\u305a\u3001\u554f\u984c\u9818\u57df\u3092\u7406\u89e3\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5168\u4f53\u7684\u306a\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306b\u6ce8\u529b\u3057\u307e\u3059\u3002\u4e3b\u306a\u76ee\u7684\u306f\u3001\u30c7\u30fc\u30bf\u3068\u305d\u306e\u95a2\u4fc2\u6027\u3092\u660e\u78ba\u304b\u3064\u5305\u62ec\u7684\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p><strong>\u554f\u984c\u306e\u8aac\u660e\uff1a<\/strong>\u5927\u5b66\u304c\u5b66\u751f\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u8a2d\u8a08\u6bb5\u968e\u3067\u306e\u4e3b\u306a\u95a2\u5fc3\u306f\u3001\u5927\u5b66\u306e\u6587\u8108\u5185\u3067\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u308c\u3089\u306e\u95a2\u4fc2\u6027\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u3001\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u3067\u3057\u3087\u3046\u3002\u95a2\u4fc2\u6027\u3068\u3057\u3066\u306f\u3001\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3053\u3068\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72<\/li>\n<li>\u95a2\u4fc2\u6027\uff1a\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b<\/li>\n<\/ul>\n<ol start=\"2\">\n<li>\n<h3>\u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08<\/h3>\n<\/li>\n<\/ol>\n<p>\u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3068\u7269\u7406\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30e2\u30c7\u30eb\u3092\u3088\u308a\u8a73\u7d30\u306a\u8868\u73fe\u306b\u7ffb\u8a33\u3057\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u95a2\u4fc2\u6027\u3001\u5236\u7d04\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u30ed\u30b8\u30ab\u30eb\u8a2d\u8a08\u306f\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\uff08DBMS\uff09\u306b\u4f9d\u5b58\u305b\u305a\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u3084\u985e\u4f3c\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u624b\u6cd5\u3067\u8868\u73fe\u3055\u308c\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n<p><strong>\u554f\u984c\u306e\u8aac\u660e\uff1a<\/strong>\u5927\u5b66\u306e\u4f8b\u3092\u5f15\u304d\u7d9a\u304d\u7528\u3044\u3066\u3001\u30ed\u30b8\u30ab\u30eb\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3001\u5404\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5c5e\u6027\u3092\u5b9a\u7fa9\u3057\u3001\u30c7\u30fc\u30bf\u578b\u3001\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3092\u660e\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u6392\u9664\u3057\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u30c7\u30fc\u30bf\u306e\u6b63\u898f\u5316\u3082\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\u5b66\u751f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\n<ul>\n<li>\u5c5e\u6027\uff1aStudentID\uff08\u4e3b\u30ad\u30fc\uff09\u3001FirstName\u3001LastName\u3001DateOfBirth<\/li>\n<\/ul>\n<\/li>\n<li>\u6388\u696d\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\n<ul>\n<li>\u5c5e\u6027\uff1aCourseID\uff08\u4e3b\u30ad\u30fc\uff09\u3001CourseName\u3001Credits<\/li>\n<\/ul>\n<\/li>\n<li>\u6559\u54e1\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\n<ul>\n<li>\u5c5e\u6027\uff1aInstructorID\uff08\u4e3b\u30ad\u30fc\uff09\u3001FirstName\u3001LastName<\/li>\n<\/ul>\n<\/li>\n<li>\u90e8\u7f72\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\n<ul>\n<li>\u5c5e\u6027\uff1aDepartmentID\uff08\u4e3b\u30ad\u30fc\uff09\u3001DepartmentName<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol start=\"3\">\n<li>\n<h3>\u7269\u7406\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08<\/h3>\n<\/li>\n<\/ol>\n<p>\u7269\u7406\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6700\u3082\u8a73\u7d30\u3067\u6280\u8853\u7684\u306a\u30ec\u30d9\u30eb\u3067\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u30ed\u30b8\u30ab\u30eb\u8a2d\u8a08\u3092\u7279\u5b9a\u306eDBMS\u4e0a\u3067\u3069\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306a\u3069\u306e\u70b9\u304c\u691c\u8a0e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u554f\u984c\u306e\u8aac\u660e\uff1a<\/strong>\u5927\u5b66\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f8b\u306b\u3059\u308b\u3068\u3001\u7269\u7406\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3001\u4f7f\u7528\u3059\u308bDBMS\uff08\u4f8b\uff1aMySQL\u3001Oracle\u3001PostgreSQL\uff09\u3092\u6c7a\u5b9a\u3057\u3001\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u6b63\u78ba\u306a\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3001\u30c7\u30fc\u30bf\u578b\u3001\u5236\u7d04\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6307\u5b9a\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u30c7\u30fc\u30bf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306b\u95a2\u3059\u308b\u6c7a\u5b9a\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u4f8b\uff1a<\/strong><\/p>\n<ul>\n<li>\u5b66\u751f\u30c6\u30fc\u30d6\u30eb (MySQL\u69cb\u6587):\n<div class=\"bg-black rounded-md mb-4\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\">sql<button class=\"flex ml-auto gap-2\">\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<\/button><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-sql\"><span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> \u5b66\u751f (<br \/>\nStudentID <span class=\"hljs-type\">INT<\/span> <span class=\"hljs-keyword\">PRIMARY<\/span> KEY,<br \/>\nFirstName <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">50<\/span>),<br \/>\nLastName <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">50<\/span>),<br \/>\nDateOfBirth <span class=\"hljs-type\">DATE<\/span><br \/>\n);<br \/>\n<\/code><\/div>\n<\/div>\n<\/li>\n<li>\u30b3\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb:\n<div class=\"bg-black rounded-md mb-4\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\">sql<button class=\"flex ml-auto gap-2\">\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<\/button><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-sql\"><span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> \u30b3\u30fc\u30b9 (<br \/>\nCourseID <span class=\"hljs-type\">INT<\/span> <span class=\"hljs-keyword\">PRIMARY<\/span> KEY,<br \/>\nCourseName <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">100<\/span>),<br \/>\nCredits <span class=\"hljs-type\">INT<\/span><br \/>\n);<\/code><\/div>\n<\/div>\n<div><\/div>\n<\/li>\n<\/ul>\n<h2>\u9055\u3044\u306e\u8981\u7d04<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u304c\u76ee\u7684\u3001\u7126\u70b9\u3001\u7279\u5b9a\u306eDBMS\u304b\u3089\u306e\u72ec\u7acb\u6027\u3001\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u3001\u304a\u3088\u3073\u5404\u30ec\u30d9\u30eb\u306b\u304a\u3051\u308b\u5c5e\u6027\u3001\u95a2\u4fc2\u3001\u30ad\u30fc\u306e\u4f8b\u306e\u89b3\u70b9\u304b\u3089\u3069\u306e\u3088\u3046\u306b\u7570\u306a\u308b\u304b\u3092\u660e\u78ba\u306b\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u52b9\u679c\u7684\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3001\u3059\u306a\u308f\u3061\u6982\u5ff5\u8a2d\u8a08\u3001\u8ad6\u7406\u8a2d\u8a08\u3001\u7269\u7406\u8a2d\u8a08\u306e\u9593\u306e\u7c21\u6f54\u306a\u5bfe\u6bd4\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5074\u9762<\/th>\n<th>\u6982\u5ff5\u8a2d\u8a08<\/th>\n<th>\u8ad6\u7406\u8a2d\u8a08<\/th>\n<th>\u7269\u7406\u8a2d\u8a08<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u62bd\u8c61\u5316\u30ec\u30d9\u30eb<\/td>\n<td>\u6700\u9ad8\u30ec\u30d9\u30eb\u306e<\/td>\n<td>\u4e2d\u9593\u30ec\u30d9\u30eb<\/td>\n<td>\u6700\u4f4e\u30ec\u30d9\u30eb\u306e<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u62bd\u8c61\u5316<\/td>\n<td>\u62bd\u8c61\u5316\u306e<\/td>\n<td>\u62bd\u8c61\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u76ee\u7684<\/td>\n<td>\u5168\u4f53\u306e\u69cb\u9020\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u304a\u3088\u3073<\/td>\n<td>\u6982\u5ff5\u8a2d\u8a08\u3092\u7ffb\u8a33\u3057\u3066<\/td>\n<td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u69cb\u9020\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u304a\u3088\u3073<\/td>\n<td>\u30e2\u30c7\u30eb\u3092\u8a73\u7d30\u306a\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b<\/td>\n<td>\u7279\u5b9a\u306eDBMS\u4e0a\u3067\u3001<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u95a2\u4fc2\u6027<\/td>\n<td>\u69cb\u9020\u3001\u5c5e\u6027\u3001<\/td>\n<td>\u6307\u5b9a\u3092\u542b\u3080<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>\u304a\u3088\u3073\u5236\u7d04<\/td>\n<td>\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u6700\u9069\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u7126\u70b9<\/td>\n<td>\u30c7\u30fc\u30bf\u3068\u95a2\u4fc2\u6027<\/td>\n<td>\u30c7\u30fc\u30bf\u69cb\u9020\u3001<\/td>\n<td>\u5b9f\u88c5\u306e\u8a73\u7d30<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u9ad8\u3044\u30ec\u30d9\u30eb\u3067<\/td>\n<td>\u5c5e\u6027\u3001\u30ad\u30fc\u3001\u304a\u3088\u3073<\/td>\n<td>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u306a\u3069\u3001<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>\u95a2\u4fc2\u6027<\/td>\n<td>\u30b9\u30c8\u30ec\u30fc\u30b8\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td>\n<\/tr>\n<tr>\n<td>\u72ec\u7acb\u6027<\/td>\n<td>\uff5e\u306b\u4f9d\u5b58\u3057\u306a\u3044<\/td>\n<td>\u7279\u5b9a\u306e\u3082\u306e\u306b\u4f9d\u5b58\u3057\u306a\u3044<\/td>\n<td>DBMS\u56fa\u6709\u306e\u3082\u306e\u3067\u3001<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u4efb\u610f\u306eDBMS<\/td>\n<td>DBMS<\/td>\n<td>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2<\/td>\n<\/tr>\n<tr>\n<td>\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb<\/td>\n<td>\u9ad8\u30ec\u30d9\u30eb\u306e\u56f3\u3001<\/td>\n<td>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2<\/td>\n<td>SQL\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306a\u3069\u306e<\/td>\n<td>\u56f3\uff08ERD\uff09\u3001<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u56fa\u6709\u306e\u30c4\u30fc\u30eb<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u95a2\u4fc2\u56f3<\/td>\n<td>\u6b63\u898f\u5316\u6280\u8853<\/td>\n<td>\u304a\u3088\u3073\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u578b\u3068<\/td>\n<td>\u30c7\u30fc\u30bf\u306b\u306f\u95a2\u4e0e\u3057\u306a\u3044<\/td>\n<td>\u30c7\u30fc\u30bf\u578b\u3092\u5b9a\u7fa9\u3059\u308b\u3001<\/td>\n<td>\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b\u3001<\/td>\n<\/tr>\n<tr>\n<td>\u5236\u7d04<\/td>\n<td>\u578b\u307e\u305f\u306f\u5236\u7d04<\/td>\n<td>\u5236\u7d04\u3001\u304a\u3088\u3073<\/td>\n<td>\u5236\u7d04\u3001\u304a\u3088\u3073<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>\u95a2\u4fc2<\/td>\n<td>\u95a2\u4fc2<\/td>\n<\/tr>\n<tr>\n<td>\u4f8b: \u5c5e\u6027<\/td>\n<td>\u5b66\u751f\u306e\u540d\u524d<\/td>\n<td>\u5b66\u751f\u306e\u751f\u5e74\u6708\u65e5<\/td>\n<td>\u5b66\u751f\u306e\u751f\u5e74\u6708\u65e5<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td>(VARCHAR\u3001DATE)<\/td>\n<\/tr>\n<tr>\n<td>\u4f8b: \u95a2\u4fc2<\/td>\n<td>\u5b66\u751f\u306f\uff5e\u306b\u767b\u9332\u3059\u308b<\/td>\n<td>\u5b66\u751f\u306f\uff5e\u306b\u767b\u9332\u3059\u308b<\/td>\n<td>\u5b66\u751f\u306f\uff5e\u306b\u767b\u9332\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30b3\u30fc\u30b9<\/td>\n<td>\u30b3\u30fc\u30b9<\/td>\n<td>\u30b3\u30fc\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u4f8b: \u30ad\u30fc<\/td>\n<td>\u8a72\u5f53\u306a\u3057<\/td>\n<td>\u5b66\u751fID\uff08\u4e3b\u30ad\u30fc\uff09<\/td>\n<td>\u5b66\u751fID\uff08\u4e3b\u30ad\u30fc\uff09<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>\u30b3\u30fc\u30b9ID\uff08\u4e3b\u30ad\u30fc\uff09<\/td>\n<td>\u30b3\u30fc\u30b9ID\uff08\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u6700\u9069\u5316\uff1a3\u6bb5\u968e\u306e\u9078\u629e<\/h2>\n<p>IT\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u958b\u767a\u3059\u308b\u969b\u306b\u3001\u6982\u5ff5\u7684\u3001\u8ad6\u7406\u7684\u3001\u7269\u7406\u7684\u3068\u3044\u30463\u6bb5\u968e\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u3092\u3059\u3079\u3066\u7d4c\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8907\u96d1\u3055\u3084\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u7279\u306b\u898f\u6a21\u304c\u5c0f\u3055\u304f\u307e\u305f\u306f\u8907\u96d1\u6027\u306e\u4f4e\u3044\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u7c21\u7565\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u65b9\u304c\u52b9\u7387\u7684\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u8003\u616e\u3059\u3079\u304d\u70b9\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n<ol>\n<li><strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8907\u96d1\u3055\uff1a<\/strong>\u898f\u6a21\u304c\u5c0f\u3055\u304f\u3001\u4e2d\u7a0b\u5ea6\u306e\u8907\u96d1\u6027\u3092\u6301\u3064\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8a2d\u8a08\u6bb5\u968e\u3092\u7d71\u5408\u3057\u305f\u308a\u7c21\u7565\u5316\u3057\u305f\u308a\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5358\u7d14\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u8a73\u7d30\u306a\u6982\u5ff5\u8a2d\u8a08\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u8ad6\u7406\u8a2d\u8a08\u304b\u3089\u7269\u7406\u7684\u5b9f\u88c5\u3078\u3068\u8fc5\u901f\u306b\u79fb\u884c\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u958b\u767a\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\uff1a<\/strong>\u30a2\u30b8\u30e3\u30a4\u30eb\u3084\u8fc5\u901f\u958b\u767a\u306e\u74b0\u5883\u3067\u306f\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u6982\u5ff5\u8a2d\u8a08\u304b\u3089\u59cb\u3081\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u9032\u884c\u306b\u4f34\u3063\u3066\u6bb5\u968e\u7684\u306b\u9032\u5316\u3055\u305b\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u958b\u767a\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u3059\u3079\u3066\u306e\u8a73\u7d30\u3092\u78ba\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u5236\u7d04\uff1a<\/strong>\u6642\u9593\u3084\u4e88\u7b97\u3001\u5c02\u9580\u77e5\u8b58\u306e\u5236\u7d04\u304c\u3042\u308b\u3068\u3001\u3088\u308a\u7c21\u7565\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u898f\u6a21\u306e\u5c0f\u3055\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3067\u306f\u3001\u8a73\u7d30\u306a\u8a2d\u8a08\u30d5\u30a7\u30fc\u30ba\u3088\u308a\u3082\u30b9\u30d4\u30fc\u30c9\u3092\u512a\u5148\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u78ba\u7acb\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u65e2\u5b58\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3084\u69cb\u9020\u3092\u6d3b\u7528\u3067\u304d\u3001\u5305\u62ec\u7684\u306a\u8ad6\u7406\u7684\u304a\u3088\u3073\u7269\u7406\u7684\u8a2d\u8a08\u30d5\u30a7\u30fc\u30ba\u306e\u5fc5\u8981\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5909\u66f4\u7ba1\u7406\uff1a<\/strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u304c\u983b\u7e41\u306b\u5909\u5316\u3059\u308b\u3001\u307e\u305f\u306f\u521d\u671f\u6bb5\u968e\u3067\u660e\u78ba\u3067\u306a\u3044\u5834\u5408\u3001\u8981\u4ef6\u306e\u5909\u5316\u306b\u5fdc\u3058\u3066\u67d4\u8edf\u306b\u9069\u5fdc\u3067\u304d\u308b\u8a2d\u8a08\u3092\u7dad\u6301\u3057\u305f\u65b9\u304c\u52b9\u7387\u7684\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3057\u304b\u3057\u3001\u5927\u898f\u6a21\u3067\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u3001\u307e\u305f\u306f\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30013\u6bb5\u968e\u3059\u3079\u3066\u306e\u8a2d\u8a08\u3092\u7d4c\u308b\u3088\u3046\u5f37\u304f\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6bb5\u968e\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3001\u6574\u5408\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u5305\u62ec\u7684\u306a\u6982\u5ff5\u8a2d\u8a08\u306f\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304c\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3001\u5408\u610f\u3092\u5f62\u6210\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u8ad6\u7406\u8a2d\u8a08\u306f\u91cd\u8907\u3092\u6392\u9664\u3057\u3001\u95a2\u4fc2\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002\u7269\u7406\u8a2d\u8a08\u306f\u3001\u9078\u629e\u3057\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u73fe\u5b9f\u4e16\u754c\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u52b9\u679c\u7684\u3067\u3059\u3002\u307e\u305a\u9ad8\u30ec\u30d9\u30eb\u306e\u6982\u5ff5\u8a2d\u8a08\u304b\u3089\u59cb\u3081\u3001\u554f\u984c\u9818\u57df\u3092\u628a\u63e1\u3057\u3001\u6b21\u306b\u8ad6\u7406\u8a2d\u8a08\u306b\u9032\u3093\u3067\u30c7\u30fc\u30bf\u69cb\u9020\u3084\u95a2\u4fc2\u3092\u660e\u78ba\u5316\u3057\u307e\u3059\u3002\u5805\u56fa\u306a\u8ad6\u7406\u30e2\u30c7\u30eb\u304c\u5f97\u3089\u308c\u305f\u3089\u3001\u9078\u629e\u3057\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306b\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u7269\u7406\u8a2d\u8a08\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n<p>\u3059\u3079\u3066\u306eIT\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u5fc5\u305a\u3057\u30823\u6bb5\u968e\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u3092\u7d4c\u308b\u5fc5\u8981\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u9078\u629e\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u3001\u8907\u96d1\u3055\u3001\u5236\u7d04\u306b\u57fa\u3065\u304f\u3079\u304d\u3067\u3059\u3002\u52b9\u7387\u6027\u3068\u5fb9\u5e95\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u3063\u305f\u9069\u5207\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3001\u6210\u529f\u3057\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u958b\u767a\u306e\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u6982\u5ff5\u7684\u3001\u8ad6\u7406\u7684\u3001\u7269\u7406\u7684\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3059\u3002\u5404\u6bb5\u968e\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u72ec\u81ea\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u554f\u984c\u9818\u57df\u306e\u9ad8\u30ec\u30d9\u30eb\u306a\u7406\u89e3\u304b\u3089\u59cb\u307e\u308a\u3001\u6280\u8853\u7684\u306a\u5b9f\u88c5\u8a73\u7d30\u3078\u3068\u9032\u3093\u3067\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u69cb\u9020\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7d44\u7e54\u306f\u30c7\u30fc\u30bf\u7ba1\u7406\u306e\u30cb\u30fc\u30ba\u3092\u52b9\u679c\u7684\u304b\u3064\u52b9\u7387\u7684\u306b\u6e80\u305f\u3059\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u52b9\u679c\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u306f\u30013\u6bb5\u968e\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u307e\u305a\u6982\u5ff5\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3001\u554f\u984c\u9818\u57df\u306e\u7406\u89e3\u3068\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304a\u3088\u3073\u95a2\u4fc2\u306e\u7279\u5b9a\u306b\u6ce8\u529b\u3057\u307e\u3059\u3002\u6b21\u306b\u8ad6\u7406\u8a2d\u8a08\u6bb5\u968e\u3078\u9032\u307f\u3001\u30c7\u30b6\u30a4\u30ca\u30fc\u306f\u6982\u5ff5\u30e2\u30c7\u30eb\u3092\u3088\u308a\u8a73\u7d30\u306a\u8868\u73fe\u306b\u5909\u63db\u3057\u3001\u5c5e\u6027\u3001\u30ad\u30fc\u3001\u95a2\u4fc2\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u7269\u7406\u8a2d\u8a08\u6bb5\u968e\u3067\u306f\u3001\u8ad6\u7406\u30e2\u30c7\u30eb\u3092\u5177\u4f53\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306b\u5909\u63db\u3057\u3001\u30c7\u30fc\u30bf\u578b\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u95a2\u3059\u308b\u6c7a\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e3\u6bb5\u968e\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u7d44\u7e54\u306f\u30c7\u30fc\u30bf\u306e\u529b\u3092\u6d3b\u304b\u3057\u3001\u30c7\u30fc\u30bf\u304c\u6574\u7406\u3055\u308c\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3067\u4fa1\u5024\u3042\u308b\u72b6\u614b\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u30c7\u30fc\u30bf\u7ba1\u7406\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u7d44\u7e54\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u591a\u9762\u7684\u306a\u8ab2\u984c\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u660e\u78ba\u306a\u6bb5\u968e\u306b\u5206\u304b\u308c\u3066\u9032\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u8a08\u30ec\u30d9\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u306e\u672c\u8cea\u3092\u6349\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u6574\u5408\u6027\u3001\u52b9\u7387\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u305f\u3069\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u610f\u7fa9\u3084\u9055\u3044\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u7d71\u5408\u3055\u308c\u3066\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u304c\u69cb\u7bc9\u3055\u308c\u308b\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb vs \u30ed\u30b8\u30ab\u30eb vs \u7269\u7406 ERD \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u73fe\u4ee3\u306e\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u76e4\u3067\u3042\u308a\u3001\u6574\u7406\u3055\u308c\u305f\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u5eab\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u7570\u306a\u308b\u30ec\u30d9\u30eb\u3092\u542b\u3080\u69cb\u9020\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5404\u30ec\u30d9\u30eb\u306b\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u76ee\u7684\u304c\u3042\u308a\u3001\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u691c\u8a3c\u3057\u3001\u305d\u308c\u3089\u306e\u9055\u3044\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3001\u305d\u306e\u610f\u7fa9\u3092\u5177\u4f53\u4f8b\u3067\u793a\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6700\u3082\u9ad8\u3044\u62bd\u8c61\u5ea6\u306e\u30ec\u30d9\u30eb\u3067\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u6280\u8853\u7684\u306a\u5b9f\u88c5\u306e\u8a73\u7d30\u306b\u3053\u3060\u308f\u3089\u305a\u3001\u554f\u984c\u9818\u57df\u3092\u7406\u89e3\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5168\u4f53\u7684\u306a\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306b\u6ce8\u529b\u3057\u307e\u3059\u3002\u4e3b\u306a\u76ee\u7684\u306f\u3001\u30c7\u30fc\u30bf\u3068\u305d\u306e\u95a2\u4fc2\u6027\u3092\u660e\u78ba\u304b\u3064\u5305\u62ec\u7684\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u554f\u984c\u306e\u8aac\u660e\uff1a\u5927\u5b66\u304c\u5b66\u751f\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u8a2d\u8a08\u6bb5\u968e\u3067\u306e\u4e3b\u306a\u95a2\u5fc3\u306f\u3001\u5927\u5b66\u306e\u6587\u8108\u5185\u3067\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u308c\u3089\u306e\u95a2\u4fc2\u6027\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u3001\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u3067\u3057\u3087\u3046\u3002\u95a2\u4fc2\u6027\u3068\u3057\u3066\u306f\u3001\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3053\u3068\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002 \u4f8b\uff1a \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72 \u95a2\u4fc2\u6027\uff1a\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b \u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08 \u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3068\u7269\u7406\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30e2\u30c7\u30eb\u3092\u3088\u308a\u8a73\u7d30\u306a\u8868\u73fe\u306b\u7ffb\u8a33\u3057\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u95a2\u4fc2\u6027\u3001\u5236\u7d04\u306b\u6ce8\u76ee<a href=\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\" rel=\"bookmark\"><span class=\"screen-reader-text\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":6451,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_eb_attr":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-6450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-modeling-database"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406 - Visual Paradigm Guides Japanese<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406 - Visual Paradigm Guides Japanese\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u30c7\u30fc\u30bf\u7ba1\u7406\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u7d44\u7e54\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u591a\u9762\u7684\u306a\u8ab2\u984c\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u660e\u78ba\u306a\u6bb5\u968e\u306b\u5206\u304b\u308c\u3066\u9032\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u8a08\u30ec\u30d9\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u306e\u672c\u8cea\u3092\u6349\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u6574\u5408\u6027\u3001\u52b9\u7387\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u305f\u3069\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u610f\u7fa9\u3084\u9055\u3044\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u7d71\u5408\u3055\u308c\u3066\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u304c\u69cb\u7bc9\u3055\u308c\u308b\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb vs \u30ed\u30b8\u30ab\u30eb vs \u7269\u7406 ERD \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u73fe\u4ee3\u306e\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u76e4\u3067\u3042\u308a\u3001\u6574\u7406\u3055\u308c\u305f\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u5eab\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u7570\u306a\u308b\u30ec\u30d9\u30eb\u3092\u542b\u3080\u69cb\u9020\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5404\u30ec\u30d9\u30eb\u306b\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u76ee\u7684\u304c\u3042\u308a\u3001\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u691c\u8a3c\u3057\u3001\u305d\u308c\u3089\u306e\u9055\u3044\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3001\u305d\u306e\u610f\u7fa9\u3092\u5177\u4f53\u4f8b\u3067\u793a\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6700\u3082\u9ad8\u3044\u62bd\u8c61\u5ea6\u306e\u30ec\u30d9\u30eb\u3067\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u6280\u8853\u7684\u306a\u5b9f\u88c5\u306e\u8a73\u7d30\u306b\u3053\u3060\u308f\u3089\u305a\u3001\u554f\u984c\u9818\u57df\u3092\u7406\u89e3\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5168\u4f53\u7684\u306a\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306b\u6ce8\u529b\u3057\u307e\u3059\u3002\u4e3b\u306a\u76ee\u7684\u306f\u3001\u30c7\u30fc\u30bf\u3068\u305d\u306e\u95a2\u4fc2\u6027\u3092\u660e\u78ba\u304b\u3064\u5305\u62ec\u7684\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u554f\u984c\u306e\u8aac\u660e\uff1a\u5927\u5b66\u304c\u5b66\u751f\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u8a2d\u8a08\u6bb5\u968e\u3067\u306e\u4e3b\u306a\u95a2\u5fc3\u306f\u3001\u5927\u5b66\u306e\u6587\u8108\u5185\u3067\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u308c\u3089\u306e\u95a2\u4fc2\u6027\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u3001\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u3067\u3057\u3087\u3046\u3002\u95a2\u4fc2\u6027\u3068\u3057\u3066\u306f\u3001\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3053\u3068\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002 \u4f8b\uff1a \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72 \u95a2\u4fc2\u6027\uff1a\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b \u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08 \u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3068\u7269\u7406\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30e2\u30c7\u30eb\u3092\u3088\u308a\u8a73\u7d30\u306a\u8868\u73fe\u306b\u7ffb\u8a33\u3057\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u95a2\u4fc2\u6027\u3001\u5236\u7d04\u306b\u6ce8\u76ee\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\" \/>\n<meta property=\"og:url\" content=\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\" \/>\n<meta property=\"og:site_name\" content=\"Visual Paradigm Guides Japanese\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-04T12:24:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png\" \/>\n\t<meta property=\"og:image:width\" content=\"606\" \/>\n\t<meta property=\"og:image:height\" content=\"369\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"7\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\"},\"headline\":\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\",\"datePublished\":\"2026-02-04T12:24:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\"},\"wordCount\":40,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png\",\"articleSection\":[\"Data Modeling \/ Database\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\",\"url\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\",\"name\":\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406 - Visual Paradigm Guides Japanese\",\"isPartOf\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png\",\"datePublished\":\"2026-02-04T12:24:54+00:00\",\"author\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/#\/schema\/person\/292e97a06c90d6d605ddfd451bfdfe6f\"},\"breadcrumb\":{\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage\",\"url\":\"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png\",\"contentUrl\":\"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png\",\"width\":606,\"height\":369},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/guides.visual-paradigm.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Data Modeling \/ Database\",\"item\":\"https:\/\/guides.visual-paradigm.com\/ja\/category\/data-modeling-database\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/guides.visual-paradigm.com\/ja\/#website\",\"url\":\"https:\/\/guides.visual-paradigm.com\/ja\/\",\"name\":\"Visual Paradigm Guides Japanese\",\"description\":\"Smart guides for an AI-driven world\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/guides.visual-paradigm.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406 - Visual Paradigm Guides Japanese","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/","og_locale":"ja_JP","og_type":"article","og_title":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406 - Visual Paradigm Guides Japanese","og_description":"\u306f\u3058\u3081\u306b \u30c7\u30fc\u30bf\u7ba1\u7406\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u7d44\u7e54\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3048\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u591a\u9762\u7684\u306a\u8ab2\u984c\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u660e\u78ba\u306a\u6bb5\u968e\u306b\u5206\u304b\u308c\u3066\u9032\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u8a08\u30ec\u30d9\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u306e\u672c\u8cea\u3092\u6349\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u6574\u5408\u6027\u3001\u52b9\u7387\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u305f\u3069\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u610f\u7fa9\u3084\u9055\u3044\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u7d71\u5408\u3055\u308c\u3066\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u304c\u69cb\u7bc9\u3055\u308c\u308b\u304b\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb vs \u30ed\u30b8\u30ab\u30eb vs \u7269\u7406 ERD \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u73fe\u4ee3\u306e\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u76e4\u3067\u3042\u308a\u3001\u6574\u7406\u3055\u308c\u305f\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u4fdd\u7ba1\u5eab\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406\u306e3\u3064\u306e\u7570\u306a\u308b\u30ec\u30d9\u30eb\u3092\u542b\u3080\u69cb\u9020\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5404\u30ec\u30d9\u30eb\u306b\u306f\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u76ee\u7684\u304c\u3042\u308a\u3001\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u691c\u8a3c\u3057\u3001\u305d\u308c\u3089\u306e\u9055\u3044\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3001\u305d\u306e\u610f\u7fa9\u3092\u5177\u4f53\u4f8b\u3067\u793a\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08 \u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6700\u3082\u9ad8\u3044\u62bd\u8c61\u5ea6\u306e\u30ec\u30d9\u30eb\u3067\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u6280\u8853\u7684\u306a\u5b9f\u88c5\u306e\u8a73\u7d30\u306b\u3053\u3060\u308f\u3089\u305a\u3001\u554f\u984c\u9818\u57df\u3092\u7406\u89e3\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5168\u4f53\u7684\u306a\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306b\u6ce8\u529b\u3057\u307e\u3059\u3002\u4e3b\u306a\u76ee\u7684\u306f\u3001\u30c7\u30fc\u30bf\u3068\u305d\u306e\u95a2\u4fc2\u6027\u3092\u660e\u78ba\u304b\u3064\u5305\u62ec\u7684\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u554f\u984c\u306e\u8aac\u660e\uff1a\u5927\u5b66\u304c\u5b66\u751f\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u8a2d\u8a08\u6bb5\u968e\u3067\u306e\u4e3b\u306a\u95a2\u5fc3\u306f\u3001\u5927\u5b66\u306e\u6587\u8108\u5185\u3067\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u308c\u3089\u306e\u95a2\u4fc2\u6027\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u3001\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u3067\u3057\u3087\u3046\u3002\u95a2\u4fc2\u6027\u3068\u3057\u3066\u306f\u3001\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3053\u3068\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002 \u4f8b\uff1a \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\u5b66\u751f\u3001\u6388\u696d\u3001\u6559\u54e1\u3001\u90e8\u7f72 \u95a2\u4fc2\u6027\uff1a\u5b66\u751f\u304c\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3001\u6559\u54e1\u304c\u6388\u696d\u3092\u62c5\u5f53\u3059\u308b\u3001\u90e8\u7f72\u304c\u6388\u696d\u3092\u7ba1\u7406\u3059\u308b \u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08 \u30ed\u30b8\u30ab\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306f\u3001\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3068\u7269\u7406\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u306f\u3001\u8a2d\u8a08\u8005\u306f\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u30e2\u30c7\u30eb\u3092\u3088\u308a\u8a73\u7d30\u306a\u8868\u73fe\u306b\u7ffb\u8a33\u3057\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u95a2\u4fc2\u6027\u3001\u5236\u7d04\u306b\u6ce8\u76ee\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406","og_url":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/","og_site_name":"Visual Paradigm Guides Japanese","article_published_time":"2026-02-04T12:24:54+00:00","og_image":[{"width":606,"height":369,"url":"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"vpadmin","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"7\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#article","isPartOf":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/"},"headline":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406","datePublished":"2026-02-04T12:24:54+00:00","mainEntityOfPage":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/"},"wordCount":40,"commentCount":0,"image":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage"},"thumbnailUrl":"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png","articleSection":["Data Modeling \/ Database"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/","url":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/","name":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406 - Visual Paradigm Guides Japanese","isPartOf":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage"},"image":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage"},"thumbnailUrl":"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png","datePublished":"2026-02-04T12:24:54+00:00","author":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/#\/schema\/person\/292e97a06c90d6d605ddfd451bfdfe6f"},"breadcrumb":{"@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#primaryimage","url":"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png","contentUrl":"https:\/\/guides.visual-paradigm.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/02\/img_6507e93556627.png","width":606,"height":369},{"@type":"BreadcrumbList","@id":"https:\/\/guides.visual-paradigm.com\/ja\/navigating-the-three-levels-of-database-design-conceptual-logical-and-physical\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/guides.visual-paradigm.com\/ja\/"},{"@type":"ListItem","position":2,"name":"Data Modeling \/ Database","item":"https:\/\/guides.visual-paradigm.com\/ja\/category\/data-modeling-database\/"},{"@type":"ListItem","position":3,"name":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e3\u3064\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u30b3\u30f3\u30bb\u30d7\u30c1\u30e5\u30a2\u30eb\u3001\u30ed\u30b8\u30ab\u30eb\u3001\u7269\u7406"}]},{"@type":"WebSite","@id":"https:\/\/guides.visual-paradigm.com\/ja\/#website","url":"https:\/\/guides.visual-paradigm.com\/ja\/","name":"Visual Paradigm Guides Japanese","description":"Smart guides for an AI-driven world","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/guides.visual-paradigm.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"}]}},"_links":{"self":[{"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/posts\/6450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/comments?post=6450"}],"version-history":[{"count":0,"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/posts\/6450\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/media\/6451"}],"wp:attachment":[{"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/media?parent=6450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/categories?post=6450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guides.visual-paradigm.com\/ja\/wp-json\/wp\/v2\/tags?post=6450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}