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\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\uff1a\u691c\u7d22\u306b\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001\u30af\u30a8\u30ea\u306e\u5b9f\u884c\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<h2>\u4e8b\u4f8b\u7814\u7a76\uff1a\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0<\/h2>\n<h3>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3<\/h3>\n<p>4\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\uff1a\u8457\u8005\u3001\u66f8\u7c4d\u3001\u5229\u7528\u8005\u3001\u53d6\u5f15\u3002\u305d\u308c\u305e\u308c\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u8868\u3059\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ol>\n<li>\u8457\u8005\uff1a\u66f8\u7c4d\u306e\u8457\u8005\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002\u4e3b\u30ad\u30fc\u3068\u3057\u3066AuthorID\u3092\u6301\u3061\u3001Name\u5c5e\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u66f8\u7c4d\uff1a\u66f8\u7c4d\u306e\u8a73\u7d30\u3092\u8868\u3057\u307e\u3059\u3002ISBN\uff08\u4e3b\u30ad\u30fc\uff09\u3001\u30bf\u30a4\u30c8\u30eb\u3001\u51fa\u7248\u65e5\u3001\u304a\u3088\u3073\u8457\u8005\u3092\u53c2\u7167\u3059\u308b\u5916\u90e8\u30ad\u30fc\u3067\u3042\u308bAuthorID\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u66f8\u7c4d\u3068\u8457\u8005\u306e\u95a2\u4fc2\u304c\u78ba\u7acb\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u5229\u7528\u8005\uff1a\u56f3\u66f8\u9928\u306e\u5229\u7528\u8005\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002\u4e3b\u30ad\u30fc\u3068\u3057\u3066PatronID\u3092\u6301\u3061\u3001Name\u5c5e\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u53d6\u5f15\uff1a\u5229\u7528\u8005\u304c\u66f8\u7c4d\u3092\u501f\u308a\u308b\u969b\u306e\u53d6\u5f15\u3092\u8a18\u9332\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u3002TransactionID\uff08\u4e3b\u30ad\u30fc\uff09\u3001BookID\uff08\u66f8\u7c4d\u3092\u53c2\u7167\u3059\u308b\u5916\u90e8\u30ad\u30fc\uff09\u3001PatronID\uff08\u5229\u7528\u8005\u3092\u53c2\u7167\u3059\u308b\u5916\u90e8\u30ad\u30fc\uff09\u3001DueDate\u3092\u542b\u307f\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306e\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u95a2\u4fc2\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u8868\u73fe\u3055\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u8457\u8005\u3068\u672c\u306f1\u5bfe\u591a\u306e\u95a2\u4fc2\u3067\u30ea\u30f3\u30af\u3055\u308c\u3066\u304a\u308a\u30011\u4eba\u306e\u8457\u8005\u304c\u8907\u6570\u306e\u672c\u3092\u57f7\u7b46\u3067\u304d\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u672c\u3068\u53d6\u5f15\u306f\u30ea\u30f3\u30af\u3055\u308c\u3066\u304a\u308a\u3001\u5404\u672c\u304c\u8907\u6570\u306e\u53d6\u5f15\u306b\u542b\u307e\u308c\u5f97\u308b\u3053\u3068\u3001\u4e00\u65b9\u3067\u5404\u53d6\u5f15\u306f1\u3064\u306e\u672c\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u5229\u7528\u8005\u3068\u53d6\u5f15\u306f\u63a5\u7d9a\u3055\u308c\u3066\u304a\u308a\u3001\u5404\u5229\u7528\u8005\u306f\u8907\u6570\u306e\u53d6\u5f15\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001\u5404\u53d6\u5f15\u306f1\u4eba\u306e\u5229\u7528\u8005\u306b\u5c5e\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u6b63\u898f\u5316\u30d7\u30ed\u30bb\u30b9<\/h3>\n<p>\u30c6\u30fc\u30d6\u30eb\u3092\u7528\u3044\u3066\u3001\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6b63\u898f\u5316\u30d7\u30ed\u30bb\u30b9\u3092\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u521d\u671f\u306e\u30c6\u30fc\u30d6\u30eb\u7fa4\u304b\u3089\u59cb\u3081\u3001\u7b2c1\u6b63\u898f\u5f62\uff081NF\uff09\u3001\u7b2c2\u6b63\u898f\u5f62\uff082NF\uff09\u3001\u7b2c3\u6b63\u898f\u5f62\uff083NF\uff09\u3078\u3068\u6bb5\u968e\u7684\u306b\u6b63\u898f\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u521d\u671f\u30c6\u30fc\u30d6\u30eb\uff1a<\/strong><\/p>\n<ol>\n<li>\u672c\n<ul>\n<li>ISBN\uff08\u4e3b\u30ad\u30fc\uff09<\/li>\n<li>\u30bf\u30a4\u30c8\u30eb<\/li>\n<li>\u51fa\u7248\u65e5<\/li>\n<li>\u8457\u8005ID\uff08\u5916\u90e8\u30ad\u30fc\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u8457\u8005\n<ul>\n<li>\u8457\u8005ID\uff08\u4e3b\u30ad\u30fc\uff09<\/li>\n<li>\u540d\u524d<\/li>\n<\/ul>\n<\/li>\n<li>\u5229\u7528\u8005\n<ul>\n<li>\u5229\u7528\u8005ID\uff08\u4e3b\u30ad\u30fc\uff09<\/li>\n<li>\u540d\u524d<\/li>\n<\/ul>\n<\/li>\n<li>\u53d6\u5f15\n<ul>\n<li>\u53d6\u5f15ID\uff08\u4e3b\u30ad\u30fc\uff09<\/li>\n<li>\u672cID\uff08\u5916\u90e8\u30ad\u30fc\uff09<\/li>\n<li>\u5229\u7528\u8005ID\uff08\u5916\u90e8\u30ad\u30fc\uff09<\/li>\n<li>\u8fd4\u5374\u65e5<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u7b2c1\u6b63\u898f\u5f62\uff081NF\uff09\uff1a<\/strong><\/p>\n<p>\u7b2c1\u6b63\u898f\u5f62\u3067\u306f\u3001\u5404\u30c6\u30fc\u30d6\u30eb\u306b\u4e3b\u30ad\u30fc\u304c\u3042\u308a\u3001\u3069\u306e\u5217\u306b\u3082\u7e70\u308a\u8fd4\u3057\u30b0\u30eb\u30fc\u30d7\u3084\u914d\u5217\u304c\u3042\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u521d\u671f\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u3059\u3067\u306b\u4e3b\u30ad\u30fc\u3092\u6301\u3061\u3001\u5404\u30bb\u30eb\u306b\u5358\u4e00\u306e\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u30011NF\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u7b2c2\u6b63\u898f\u5f62\uff082NF\uff09\uff1a<\/strong><\/p>\n<p>2NF\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u975e\u30ad\u30fc\u5c5e\u6027\u304c\u4e3b\u30ad\u30fc\u5168\u4f53\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u521d\u671f\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u306f\u3001Books\u30c6\u30fc\u30d6\u30eb\u306f\u90e8\u5206\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001Title\u3068PublicationDate\u306fISBN\u306b\u306e\u307f\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u4e3b\u30ad\u30fc\u5168\u4f53\u306b\u4f9d\u5b58\u3057\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u305d\u3053\u3067\u3001Books\u30c6\u30fc\u30d6\u30eb\u30922\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5206\u5272\u3057\u307e\u3059\uff1a<\/p>\n<p><strong>Books\uff082NF\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>ISBN\uff08\u4e3b\u30ad\u30fc\uff09<\/li>\n<li>\u8457\u8005ID\uff08\u5916\u90e8\u30ad\u30fc\uff09<\/li>\n<\/ul>\n<p><strong>BookDetails\uff082NF\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>ISBN (\u5916\u90e8\u30ad\u30fc)<\/li>\n<li>\u30bf\u30a4\u30c8\u30eb<\/li>\n<li>\u51fa\u7248\u65e5<\/li>\n<\/ul>\n<p>\u4eca\u3001\u5404\u30c6\u30fc\u30d6\u30eb\u306e\u5c5e\u6027\u306f\u3001\u5b8c\u5168\u306a\u4e3b\u30ad\u30fc\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u7b2c\u4e09\u6b63\u898f\u5f62 (3NF):<\/strong><\/p>\n<p>3NF\u3067\u306f\u3001\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3057\u307e\u3059\u3002Patrons\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001Transactions\u30c6\u30fc\u30d6\u30eb\u306fBookID\u3092\u4ecb\u3057\u3066Books\u306b\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7528\u306e\u65b0\u3057\u3044\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\uff1a<\/p>\n<p><strong>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3 (3NF):<\/strong><\/p>\n<ul>\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID (\u4e3b\u30ad\u30fc)<\/li>\n<li>\u5229\u7528\u8005ID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<li>\u8fd4\u5374\u65e5<\/li>\n<\/ul>\n<p><strong>\u8cb8\u51fa\u66f8\u7c4d (3NF):<\/strong><\/p>\n<ul>\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<li>\u66f8\u7c4dID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<\/ul>\n<p>\u4eca\u3001Transactions\u30c6\u30fc\u30d6\u30eb\u306f\u5229\u7528\u8005ID\u306b\u306e\u307f\u4f9d\u5b58\u3057\u3001BorrowedBooks\u30c6\u30fc\u30d6\u30eb\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u66f8\u7c4d\u306e\u95a2\u4fc2\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>3NF\u306b\u304a\u3051\u308b\u6b63\u898f\u5316\u3055\u308c\u305f\u30c6\u30fc\u30d6\u30eb\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<p><strong>\u66f8\u7c4d (3NF):<\/strong><\/p>\n<ul>\n<li>ISBN (\u4e3b\u30ad\u30fc)<\/li>\n<li>\u8457\u8005ID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<\/ul>\n<p><strong>\u66f8\u7c4d\u8a73\u7d30 (3NF):<\/strong><\/p>\n<ul>\n<li>ISBN (\u5916\u90e8\u30ad\u30fc)<\/li>\n<li>\u30bf\u30a4\u30c8\u30eb<\/li>\n<li>\u51fa\u7248\u65e5<\/li>\n<\/ul>\n<p><strong>\u8457\u8005 (3NF):<\/strong><\/p>\n<ul>\n<li>\u8457\u8005ID (\u4e3b\u30ad\u30fc)<\/li>\n<li>\u540d\u524d<\/li>\n<\/ul>\n<p><strong>\u5229\u7528\u8005 (3NF):<\/strong><\/p>\n<ul>\n<li>\u5229\u7528\u8005ID (\u4e3b\u30ad\u30fc)<\/li>\n<li>\u540d\u524d<\/li>\n<\/ul>\n<p><strong>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3 (3NF):<\/strong><\/p>\n<ul>\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID (\u4e3b\u30ad\u30fc)<\/li>\n<li>\u5229\u7528\u8005ID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<li>\u8fd4\u5374\u65e5<\/li>\n<\/ul>\n<p><strong>\u8cb8\u51fa\u56f3\u66f8 (3NF):<\/strong><\/p>\n<ul>\n<li>\u53d6\u5f15ID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<li>\u56f3\u66f8ID (\u5916\u90e8\u30ad\u30fc)<\/li>\n<\/ul>\n<p>3NF\u307e\u3067\u6b63\u898f\u5316\u30d7\u30ed\u30bb\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u91cd\u8907\u3092\u524a\u6e1b\u3057\u3001\u671b\u307e\u3057\u304f\u306a\u3044\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3057\u3001\u69cb\u9020\u304c\u6574\u3048\u3089\u308c\u3001\u6b63\u898f\u5316\u3055\u308c\u305f\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de<\/h3>\n<p>\u2014 \u8457\u8005\u7528\u30c6\u30fc\u30d6\u30eb<br \/>\nCREATE TABLE \u8457\u8005 (<br \/>\n\u8457\u8005ID INT PRIMARY KEY,<br \/>\n\u540d\u524d VARCHAR(255)<br \/>\n);<\/p>\n<p>\u2014 \u56f3\u66f8\u7528\u30c6\u30fc\u30d6\u30eb<br \/>\nCREATE TABLE \u56f3\u66f8 (<br \/>\nISBN VARCHAR(13) PRIMARY KEY,<br \/>\n\u8457\u8005ID INT,<br \/>\n\u5916\u90e8\u30ad\u30fc (\u8457\u8005ID) REFERENCES \u8457\u8005(\u8457\u8005ID)<br \/>\n);<\/p>\n<p>\u2014 \u56f3\u66f8\u8a73\u7d30\u7528\u30c6\u30fc\u30d6\u30eb<br \/>\nCREATE TABLE \u56f3\u66f8\u8a73\u7d30 (<br \/>\nISBN VARCHAR(13),<br \/>\n\u30bf\u30a4\u30c8\u30eb VARCHAR(255),<br \/>\n\u51fa\u7248\u65e5 DATE,<br \/>\n\u5916\u90e8\u30ad\u30fc (ISBN) REFERENCES \u56f3\u66f8(ISBN)<br \/>\n);<\/p>\n<p>\u2014 \u5229\u7528\u8005\u7528\u30c6\u30fc\u30d6\u30eb<br \/>\nCREATE TABLE \u5229\u7528\u8005 (<br \/>\n\u5229\u7528\u8005ID INT PRIMARY KEY,<br \/>\n\u540d\u524d VARCHAR(255)<br \/>\n);<\/p>\n<p>\u2014 \u53d6\u5f15\u7528\u30c6\u30fc\u30d6\u30eb<br \/>\nCREATE TABLE \u53d6\u5f15 (<br \/>\n\u53d6\u5f15ID INT PRIMARY KEY,<br \/>\n\u5229\u7528\u8005ID INT,<br \/>\n\u8fd4\u5374\u65e5 DATE,<br \/>\n\u5916\u90e8\u30ad\u30fc (\u5229\u7528\u8005ID) REFERENCES \u5229\u7528\u8005(\u5229\u7528\u8005ID)<br \/>\n);<\/p>\n<p>\u2014 \u501f\u308a\u305f\u672c\u7528\u30c6\u30fc\u30d6\u30eb\uff08\u53d6\u5f15\u3068\u672c\u306e\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u3092\u8868\u3059\u305f\u3081\uff09<br \/>\nCREATE TABLE \u501f\u308a\u305f\u672c (<br \/>\n\u53d6\u5f15ID INT,<br \/>\nISBN VARCHAR(13),<br \/>\n\u5916\u90e8\u30ad\u30fc (\u53d6\u5f15ID) REFERENCES \u53d6\u5f15(\u53d6\u5f15ID),<br \/>\n\u5916\u90e8\u30ad\u30fc (ISBN) REFERENCES \u672c(ISBN)<br \/>\n);<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u56f3\u66f8\u9928\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u8907\u96d1\u3067\u306f\u3042\u308b\u304c\u5fc5\u9808\u306e\u4f5c\u696d\u3067\u3042\u308b\u3002ERD\u304b\u3089\u59cb\u3081\u3001\u30c7\u30fc\u30bf\u3092\u6b63\u898f\u5316\u3057\u3001\u305d\u306e\u5f8c\u9069\u5207\u306b\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3057\u3001\u91cd\u8907\u3092\u6e1b\u3089\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u308b\u3002\u3053\u306e\u69cb\u9020\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u672c\u3001\u8457\u8005\u3001\u5229\u7528\u8005\u3001\u53d6\u5f15\u3092\u52b9\u679c\u7684\u306b\u7ba1\u7406\u3067\u304d\u308b\u4fe1\u983c\u6027\u3068\u52b9\u7387\u6027\u306b\u512a\u308c\u305f\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u76e4\u304c\u7bc9\u304b\u308c\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u306f\u3001\u56f3\u66f8\u9928\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u306e\u8a2d\u8a08\u304b\u3089\u59cb\u307e\u308a\u3001\u6b63\u898f\u5316\u3092\u7d4c\u3066\u3001\u6700\u7d42\u7684\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306e\u4f5c\u6210\u306b\u81f3\u308b\u8907\u6570\u306e\u6bb5\u968e\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5404\u6bb5\u968e\u3092\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u3001\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u6574\u7136\u3068\u3057\u305f\u6700\u9069\u5316\u3055\u308c\u305f\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\u3002 ERD\u3001\u6b63\u898f\u5316\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306b\u3088\u308b\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u30d7\u30ed\u30bb\u30b9 \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09 \u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3059\u3002ERD\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304a\u3088\u3073\u305d\u308c\u3089\u306e\u95a2\u4fc2\u3092\u8996\u899a\u7684\u306b\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u8981\u7d20\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff1a a. \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4e3b\u8981\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u306f\u3001\u66f8\u7c4d\u3001\u8457\u8005\u3001\u5229\u7528\u8005\u3001\u8077\u54e1\u3001\u53d6\u5f15\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002 b. \u5c5e\u6027\uff1a\u5404\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u3064\u3044\u3066\u3001\u5c5e\u6027\u307e\u305f\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u300c\u66f8\u7c4d\u300d\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u3001ISBN\u3001\u30bf\u30a4\u30c8\u30eb\u3001\u8457\u8005\u3001\u51fa\u7248\u65e5\u306a\u3069\u3068\u3044\u3063\u305f\u5c5e\u6027\u304c\u542b\u307e\u308c\u307e\u3059\u3002 c. \u95a2\u4fc2\uff1a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u95a2\u4fc2\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u300c\u5229\u7528\u8005\u300d\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u300c\u66f8\u7c4d\u300d\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u9593\u306b\u300c\u8cb8\u51fa\u300d\u95a2\u4fc2\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u3001\u66f8\u7c4d\u306e\u8cb8\u51fa\u3092\u8868\u73fe\u3067\u304d\u307e\u3059\u3002 d. \u5361\u591a\u30b7\u30c6\u30a3\uff1a\u95a2\u4fc2\u306e\u30ab\u30c9\u30b7\u30c6\u30a3\u3092\u6307\u5b9a\u3057\u3001\u3042\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u4f55\u500b\u95a2\u9023\u3057\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u30011\u4eba\u306e\u5229\u7528\u8005\u306f\u8907\u6570\u306e\u66f8\u7c4d\u3092\u501f\u308a\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u30011\u3064\u306e\u66f8\u7c4d\u306f\u540c\u6642\u306b1\u4eba\u306e\u5229\u7528\u8005\u306b\u3057\u304b\u8cb8\u3057\u51fa\u3055\u308c\u307e\u305b\u3093\u3002 \u6b63\u898f\u5316 \u6b63\u898f\u5316\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u3092\u6574\u7406\u3057\u3066\u91cd\u8907\u3092\u6392\u9664\u3057\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u5404\u60c5\u5831\u304c\u6700\u3082\u9069\u5207\u306a\u5834\u6240\u306b\u683c\u7d0d\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6b63\u898f\u5316\u3059\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a a. \u95a2\u6570\u7684\u4f9d\u5b58\u95a2\u4fc2\u306e\u7279\u5b9a\uff1a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u5185\u306e\u5c5e\u6027\u3092\u5206\u6790\u3057\u3001\u3069\u306e\u5c5e\u6027\u304c\u4ed6\u306e\u5c5e\u6027\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u300c\u66f8\u7c4d\u300d\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u306f\u3001\u8457\u8005\u306e\u540d\u524d\u306f\u66f8\u7c4d\u306eISBN\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002 b. \u6b63\u898f\u5316\u30eb\u30fc\u30eb\u306e\u9069\u7528\uff1a\u6b63\u898f\u5316\u30eb\u30fc\u30eb\uff08\u4f8b\uff1a\u7b2c\u4e00\u6b63\u898f\u5f62\u3001\u7b2c\u4e8c\u6b63\u898f\u5f62\u3001\u7b2c\u4e09\u6b63\u898f\u5f62\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u8907\u96d1\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u5358\u7d14\u306a<a href=\"https:\/\/guides.visual-paradigm.com\/ja\/designing-a-library-system-from-erd-to-normalization-to-database-schema\/\" rel=\"bookmark\"><span class=\"screen-reader-text\">\u56f3\u66f8\u9928\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\uff1aERD\u304b\u3089\u6b63\u898f\u5316\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3078<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"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-6551","post","type-post","status-publish","format-standard","hentry","category-data-modeling-database"],"yoast_head":"<!-- This site is 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