{"id":1983,"date":"2026-03-26T14:14:41","date_gmt":"2026-03-26T14:14:41","guid":{"rendered":"https:\/\/www.go-diagram.com\/ja\/modeling-inheritance-supertypes-subtypes-database-schema-design\/"},"modified":"2026-03-26T14:14:41","modified_gmt":"2026-03-26T14:14:41","slug":"modeling-inheritance-supertypes-subtypes-database-schema-design","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/ja\/modeling-inheritance-supertypes-subtypes-database-schema-design\/","title":{"rendered":"ERD \u30ac\u30a4\u30c9\uff1a\u7d99\u627f\u306e\u30e2\u30c7\u30ea\u30f3\u30b0 &#8211; \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306b\u304a\u3051\u308b\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7"},"content":{"rendered":"<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3092\u8a2d\u8a08\u3059\u308b\u306b\u306f\u3001\u5358\u306b\u30c6\u30fc\u30d6\u30eb\u3084\u5217\u3092\u5217\u6319\u3059\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u95a2\u4fc2\u6027\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u56f3\uff08ERD\uff09\u306e\u4e2d\u3067\u6700\u3082\u5f37\u529b\u3067\u3042\u308a\u306a\u304c\u3089\u8907\u96d1\u306a\u6982\u5ff5\u306e\u4e00\u3064\u304c\u7d99\u627f\u3067\u3059\u3002\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001\u5171\u901a\u306e\u7279\u6027\u3092\u6301\u3061\u3064\u3064\u3082\u56fa\u6709\u306e\u5c5e\u6027\u3092\u5099\u3048\u305f\u73fe\u5b9f\u4e16\u754c\u306e\u968e\u5c64\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u6587\u8108\u3067\u306f\u3001\u3053\u308c\u306f\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3068\u3057\u3066\u8868\u73fe\u3055\u308c\u307e\u3059\u3002\ud83e\udde9<\/p>\n<p>\u7d99\u627f\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u969b\u3001\u79c1\u305f\u3061\u306f\u672c\u8cea\u7684\u306b\u300c\uff5e\u3067\u3042\u308b\u300d\u3068\u3044\u3046\u95a2\u4fc2\u6027\u3092\u6349\u3048\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<strong>\u8eca\u4e21<\/strong>\u306f<strong>\u88fd\u54c1<\/strong>\u3067\u3042\u308a\u3001<strong>\u81ea\u52d5\u8eca<\/strong>\u306f<strong>\u8eca\u4e21<\/strong>\u3053\u306e\u968e\u5c64\u69cb\u9020\u306b\u3088\u308a\u3001\u4e0a\u4f4d\u30ec\u30d9\u30eb\u3067\u5c5e\u6027\u3092\u518d\u5229\u7528\u3057\u3064\u3064\u3001\u4e0b\u4f4d\u30ec\u30d9\u30eb\u3067\u7279\u5b9a\u306e\u632f\u308b\u821e\u3044\u3084\u30c7\u30fc\u30bf\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3069\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3059\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\ud83d\uddc4\ufe0f<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Chibi-style infographic explaining database inheritance modeling with supertypes and subtypes, illustrating three implementation strategies (Single Table, Class Table, and Concrete Table Inheritance), completeness and disjointness constraints, with cute character illustrations, pros\/cons icons, and clear English labels for database schema design education\" decoding=\"async\" src=\"https:\/\/www.go-diagram.com\/wp-content\/uploads\/2026\/03\/database-inheritance-supertype-subtype-chibi-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd11 \u6838\u5fc3\u6982\u5ff5\uff1a\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7<\/h2>\n<p>\u5b9f\u88c5\u306b\u7740\u624b\u3059\u308b\u524d\u306b\u3001\u7528\u8a9e\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u304a\u3051\u308b\u7d99\u627f\u306f\u3001\u5358\u306b\u30b3\u30fc\u30c9\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u306e\u69cb\u9020\u7684\u8868\u73fe\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff1a<\/strong>\u3053\u308c\u306f\u89aa\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3059\u3002\u95a2\u9023\u3059\u308b\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5171\u901a\u3059\u308b\u5c5e\u6027\u3092\u542b\u307f\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30ab\u30c6\u30b4\u30ea\u3092\u8868\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<em>\u5f93\u696d\u54e1<\/em>\u304c\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u306a\u308a\u5f97\u307e\u3059\u3002<\/li>\n<li><strong>\u30b5\u30d6\u30bf\u30a4\u30d7\uff1a<\/strong>\u3053\u308c\u3089\u306f\u5b50\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3059\u3002\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u304b\u3089\u5c5e\u6027\u3092\u7d99\u627f\u3057\u307e\u3059\u304c\u3001\u72ec\u81ea\u306e\u56fa\u6709\u5c5e\u6027\u3092\u6301\u3064\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001<em>\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/em>\u3084<em>\u958b\u767a\u8005<\/em>.<\/li>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30ab\u30c6\u30b4\u30ea\uff1a<\/strong>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306f\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30ab\u30c6\u30b4\u30ea\u3068\u3082\u547c\u3070\u308c\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30a3\u30b9\u30af\u30ea\u30df\u30cd\u30fc\u30bf\uff1a<\/strong>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u5185\u306e\u7279\u5b9a\u306e\u5c5e\u6027\u3067\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u3069\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5c5e\u3059\u308b\u304b\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u7269\u7406\u7684\u306a\u5b9f\u88c5\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u9593\u306e\u95a2\u4fc2\u306f\u53b3\u683c\u3067\u3059\u3002\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u3059\u3079\u3066\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5fc5\u305a\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u3059\u3079\u3066\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u7279\u5b9a\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3042\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u533a\u5225\u306f\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u6b63\u78ba\u3055\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u2705<\/p>\n<h2>\ud83d\udcca \u5b9f\u88c5\u6226\u7565<\/h2>\n<p>\u8ad6\u7406\u7684\u306a ERD \u30e2\u30c7\u30eb\u3092\u7269\u7406\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001\u7279\u5b9a\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u6226\u7565\u304c\u5fc5\u8981\u3067\u3059\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u7d99\u627f\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306f 3 \u3064\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306b\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u691c\u7d22\u901f\u5ea6\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306b\u95a2\u3059\u308b\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u3042\u308a\u307e\u3059\u3002\ud83d\udee0\ufe0f<\/p>\n<h3>1. \u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u7d99\u627f (STI)<\/h3>\n<p>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u3059\u3079\u3066\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u3059\u3079\u3066\u306e\u5c5e\u6027\u304c\u5358\u4e00\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u7d71\u5408\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u968e\u5c64\u5168\u4f53\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u5c5e\u6027\u306b\u5bfe\u5fdc\u3059\u308b\u5217\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u7570\u306a\u308b\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5c5e\u3059\u308b\u884c\u3092\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30a3\u30b9\u30af\u30ea\u30df\u30cd\u30fc\u30bf\u5217\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5229\u70b9\uff1a<\/strong> \u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u306b\u6975\u3081\u3066\u52b9\u7387\u7684\u3067\u3059\u3002\u5358\u7d14\u306a<code>SELECT<\/code>\u306b\u3088\u308a\u3001\u8907\u96d1\u306a\u7d50\u5408\u306a\u3057\u3067\u3059\u3079\u3066\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u6b20\u70b9\uff1a<\/strong> \u30c6\u30fc\u30d6\u30eb\u304c\u975e\u5e38\u306b\u5e83\u304f\u306a\u308a\u3001\u7279\u5b9a\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u9069\u7528\u3055\u308c\u306a\u3044\u5c5e\u6027\u306b\u5bfe\u3057\u3066\u591a\u304f\u306e<code>NULL<\/code>\u5024\u304c\u751f\u3058\u307e\u3059\u3002\u307e\u305f\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u56fa\u6709\u306e\u5236\u7d04\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u66f4\u65b0\u304c\u56f0\u96e3\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u30af\u30e9\u30b9\u30c6\u30fc\u30d6\u30eb\u7d99\u627f (CTI)<\/h3>\n<p>\u3053\u3053\u3067\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u305d\u308c\u305e\u308c\u72ec\u7acb\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u5171\u901a\u5c5e\u6027\u3068\u4e3b\u30ad\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u56fa\u6709\u306e\u5c5e\u6027\u3068\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u4e3b\u30ad\u30fc\u3078\u306e\u5916\u90e8\u30ad\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5229\u70b9\uff1a<\/strong> \u9ad8\u5ea6\u306b\u6b63\u898f\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9069\u7528\u3055\u308c\u306a\u3044\u5c5e\u6027\u306b\u5bfe\u3059\u308b<code>NULL<\/code>\u5024\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u53c2\u7167\u6574\u5408\u6027\u304c\u53b3\u683c\u306b\u5f37\u5236\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u6b20\u70b9\uff1a<\/strong> \u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306b\u306f\u8907\u6570\u306e<code>JOIN<\/code>\u64cd\u4f5c\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001<code>INSERT<\/code>\u64cd\u4f5c\u3082\u8907\u96d1\u5316\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306f\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>3. \u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306e\u30c6\u30fc\u30d6\u30eb\uff08\u5177\u4f53\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\uff09<\/h3>\n<p>\u3053\u306e\u6226\u7565\u3067\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306b\u30c6\u30fc\u30d6\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u5c5e\u6027\u306e\u30b3\u30d4\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u4e2d\u592e\u306e\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u76f4\u63a5\u7684\u306a\u30ea\u30f3\u30af\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li><strong>\u5229\u70b9\uff1a<\/strong> \u7279\u5b9a\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3078\u306e\u7167\u5408\u306f\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u304c1\u304b\u6240\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\u3002\u3053\u308c\u306f<code>NULL<\/code>\u554f\u984c\uff08STI\u306e\u6b20\u70b9\uff09\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6b20\u70b9\uff1a<\/strong> \u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3002\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3067\u5171\u901a\u5c5e\u6027\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3067\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u4e0d\u6574\u5408\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u2696\ufe0f \u7d99\u627f\u306b\u95a2\u3059\u308b\u5236\u7d04<\/h2>\n<p>\u3059\u3079\u3066\u306e\u7d99\u627f\u95a2\u4fc2\u304c\u540c\u3058\u3067\u3042\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u305d\u306e\u578b\u3068\u3069\u306e\u3088\u3046\u306b\u95a2\u9023\u3059\u308b\u304b\u3092\u652f\u914d\u3059\u308b\u5236\u7d04\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5236\u7d04\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u304c\u8ad6\u7406\u7684\u304b\u3064\u4e00\u8cab\u3057\u305f\u307e\u307e\u4fdd\u305f\u308c\u307e\u3059\u3002\ud83d\udcdd<\/p>\n<h3>\u5b8c\u5168\u6027\u5236\u7d04<\/h3>\n<p>\u3053\u306e\u5236\u7d04\u306f\u3001\u3059\u3079\u3066\u306e\u8d85\u30bf\u30a4\u30d7\uff08\u4e0a\u4f4d\u578b\uff09\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30b5\u30d6\u30bf\u30a4\u30d7\uff08\u4e0b\u4f4d\u578b\uff09\u306b\u5c5e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5b8c\u5168:<\/strong> \u8d85\u30bf\u30a4\u30d7\u306e\u3059\u3079\u3066\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5c11\u306a\u304f\u3068\u3082\u4e00\u3064\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u30e1\u30f3\u30d0\u30fc\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u300c\u4e00\u822c\u7684\u306a\u300d\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u3059\u3079\u3066\u306e<em>\u52d5\u7269<\/em>\u306f\u3001<em>\u54fa\u4e73\u985e<\/em>\u307e\u305f\u306f<em>\u9ce5<\/em>.<\/li>\n<li><strong>\u90e8\u5206\u7684:<\/strong>\u8d85\u30bf\u30a4\u30d7\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5fc5\u305a\u3057\u3082\u3069\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u3082\u5c5e\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u4e00\u822c\u7684\u306a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u3057\u3066\u5b58\u5728\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u968e\u5c64\u304c\u53b3\u5bc6\u306a\u5206\u985e\u3067\u306f\u306a\u304f\u5206\u985e\u306e\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u5834\u5408\u306b\u4e00\u822c\u7684\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>\u76f8\u9055\u5236\u7d04<\/h3>\n<p>\u3053\u306e\u5236\u7d04\u306f\u3001\u4e00\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u540c\u6642\u306b\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5c5e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u76f8\u9055:<\/strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u4e00\u3064\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u306e\u307f\u5c5e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<em>\u30de\u30cd\u30fc\u30b8\u30e3\u30fc<\/em>\u3068<em>\u958b\u767a\u8005<\/em>\u306e\u4e21\u65b9\u3067\u3042\u308b\u3053\u3068\u306f\u3001\u3053\u306e\u30e2\u30c7\u30eb\u5185\u3067\u306f\u540c\u6642\u306b\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u91cd\u8907:<\/strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5c5e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<em>\u5f93\u696d\u54e1<\/em>\u304c\u8907\u6570\u306e\u5f79\u8077\u3084\u5206\u985e\u3092\u4fdd\u6301\u3067\u304d\u308b\u3088\u3046\u306a\u8907\u96d1\u306a\u5f79\u5272\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u5236\u7d04\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u30014 \u3064\u306e\u660e\u78ba\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u30b7\u30ca\u30ea\u30aa\u304c\u751f\u307e\u308c\u307e\u3059\u3002\u30b9\u30ad\u30fc\u30de\u3092\u4f5c\u6210\u3059\u308b\u524d\u306b\u3001\u3069\u306e\u30b7\u30ca\u30ea\u30aa\u304c\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u9069\u5408\u3059\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\ud83e\udde0<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5236\u7d04\u306e\u7a2e\u985e<\/th>\n<th>\u5b9a\u7fa9<\/th>\n<th>\u4f8b\u306e\u30b7\u30ca\u30ea\u30aa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6392\u4ed6\u7684 + \u5b8c\u5168<\/td>\n<td>\u30b5\u30d6\u30bf\u30a4\u30d7\u306f 1 \u3064\u306e\u307f\u3001\u6c4e\u7528\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306a\u3057<\/td>\n<td>\u6ce8\u6587\u30b9\u30c6\u30fc\u30bf\u30b9\uff1a\u4fdd\u7559\u4e2d\u3001\u767a\u9001\u6e08\u307f\u3001\u914d\u9001\u5b8c\u4e86<\/td>\n<\/tr>\n<tr>\n<td>\u6392\u4ed6\u7684 + \u90e8\u5206\u7684<\/td>\n<td>\u30b5\u30d6\u30bf\u30a4\u30d7\u306f 1 \u3064\u306e\u307f\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u306f\u4efb\u610f<\/td>\n<td>\u9867\u5ba2\uff1aVIP \u307e\u305f\u306f\u4e00\u822c\uff08\u4e00\u90e8\u306f\u3069\u3061\u3089\u3067\u3082\u306a\u3044\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u91cd\u8907 + \u5b8c\u5168<\/td>\n<td>\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u8a31\u53ef\u3001\u305f\u3060\u3057 1 \u3064\u306b\u6240\u5c5e\u3059\u308b\u3053\u3068\u5fc5\u9808<\/td>\n<td>\u30e6\u30fc\u30b6\u30fc\u30ed\u30fc\u30eb\uff1a\u7ba1\u7406\u8005\u3068\u7de8\u96c6\u8005\uff08\u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306f\u5fc5\u9808\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u91cd\u8907 + \u90e8\u5206\u7684<\/td>\n<td>\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u8a31\u53ef\u3001\u4efb\u610f<\/td>\n<td>\u88fd\u54c1\uff1a\u8ca9\u58f2\u53ef\u80fd\u3001\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u5bfe\u8c61\uff08\u4e21\u65b9\u3067\u3082\u3069\u3061\u3089\u3067\u3082\u306a\u3044\u3067\u3082\u53ef\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udd0d \u30af\u30a8\u30ea\u3068\u30c7\u30fc\u30bf\u53d6\u5f97<\/h2>\n<p>\u30de\u30c3\u30d4\u30f3\u30b0\u6226\u7565\u306e\u9078\u629e\u306f\u3001\u30af\u30a8\u30ea\u306e\u66f8\u304d\u65b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6b63\u898f\u5316\u3055\u308c\u305f\u74b0\u5883\u3067\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5b8c\u5168\u306a\u50cf\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306b\u3001\u968e\u5c64\u3092\u305f\u3069\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\ud83d\udd0e<\/p>\n<ul>\n<li><strong>\u30b5\u30d6\u30bf\u30a4\u30d7\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\uff1a<\/strong>\u30b5\u30d6\u30bf\u30a4\u30d7\u56fa\u6709\u306e\u5c5e\u6027\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30af\u30e9\u30b9\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\uff08CTI\uff09\u306e\u6a19\u6e96\u7684\u306a\u624b\u6cd5\u3067\u3059\u3002<\/li>\n<li><strong>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\uff1a<\/strong>\u5171\u901a\u5c5e\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3092\u76f4\u63a5\u30af\u30a8\u30ea\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u591a\u76f8\u30af\u30a8\u30ea\uff1a<\/strong>\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u95a2\u4fc2\u306a\u304f\u3059\u3079\u3066\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30af\u30a8\u30ea\u3059\u308b\u5834\u5408\u3001\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u65b9\u5f0f\u304c\u6700\u901f\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001<code>UNION<\/code>\u6f14\u7b97\u5b50\u307e\u305f\u306f\u8907\u96d1\u306a\u7d50\u5408\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u30021 \u3064\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b 5 \u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u30af\u30a8\u30ea\u306f\u3001\u975e\u6b63\u898f\u5316\u3055\u308c\u305f\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3059\u308b\u30af\u30a8\u30ea\u3088\u308a\u3082\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u975e\u6b63\u898f\u5316\u3055\u308c\u305f\u30c6\u30fc\u30d6\u30eb\u306f\u6b63\u898f\u5316\u30eb\u30fc\u30eb\u306b\u9055\u53cd\u3057\u3001\u66f4\u65b0\u7570\u5e38\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u56e0\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u3001\u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002\u2696\ufe0f<\/p>\n<h2>\ud83d\udee0\ufe0f \u4fdd\u5b88\u3068\u9032\u5316<\/h2>\n<p>\u30b9\u30ad\u30fc\u30de\u306f\u9759\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u306f\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u3082\u5909\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u7d99\u627f\u30e2\u30c7\u30eb\u306f\u67d4\u8edf\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u4fdd\u5b88\u4e2d\u306b\u8907\u96d1\u3055\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u306b\u3082\u306a\u308a\u307e\u3059\u3002\ud83d\udd04<\/p>\n<h3>\u65b0\u3057\u3044\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u8ffd\u52a0<\/h3>\n<p>\u65b0\u3057\u3044\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u8ffd\u52a0\u306f\u4e00\u822c\u7684\u306b\u7c21\u5358\u3067\u3059\u3002CTI \u306e\u5834\u5408\u306f\u65b0\u3057\u3044\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001STI \u306e\u5834\u5408\u306f\u30c7\u30a3\u30b9\u30af\u30ea\u30df\u30cd\u30fc\u30bf\u5217\u306b\u65b0\u3057\u3044\u5024\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u65e2\u5b58\u306e\u30af\u30a8\u30ea\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u304c\u65b0\u3057\u3044\u30bf\u30a4\u30d7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u3092\u6020\u308b\u3068\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u5c5e\u6027\u306e\u5909\u66f4<\/h3>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306b\u5c5e\u6027\u3092\u8ffd\u52a0\u3057\u305f\u5834\u5408\u3001CTI \u307e\u305f\u306f\u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306e\u30c6\u30fc\u30d6\u30eb\u65b9\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u5c5e\u6027\u306f\u3059\u3079\u3066\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306b\u53cd\u6620\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002STI \u306e\u5834\u5408\u306f\u3001\u5358\u4e00\u306e\u30c6\u30fc\u30d6\u30eb\u306b 1 \u56de\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5171\u901a\u306e\u5909\u66f4\u306b\u3064\u3044\u3066\u306f STI \u306e\u65b9\u304c\u4fdd\u5b88\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u7279\u5b9a\u306e\u5909\u66f4\u306b\u3064\u3044\u3066\u306f\u4fdd\u5b88\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u79fb\u884c<\/h3>\n<p>\u7d99\u627f\u30e2\u30c7\u30eb\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306f\u5927\u304d\u306a\u4f5c\u696d\u3067\u3059\u3002\u5358\u4e00\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u6b63\u898f\u5316\u3055\u308c\u305f\u69cb\u9020\u3078\u79fb\u884c\u3059\u308b\u306b\u306f\u3001\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u79fb\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u306e\u640d\u5931\u3084\u7834\u640d\u3092\u9632\u3050\u305f\u3081\u306b\u614e\u91cd\u306b\u7ba1\u7406\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\ud83d\udea7<\/p>\n<h2>\ud83d\udcc8 \u6b63\u898f\u5316\u3068\u7d99\u627f<\/h2>\n<p>\u7d99\u627f\u30e2\u30c7\u30eb\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6b63\u898f\u5316\u3068\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u6b63\u898f\u5316\u306e\u76ee\u7684\u306f\u5197\u9577\u6027\u3092\u6e1b\u3089\u3057\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u3067\u3059\u3002\u7d99\u627f\u306f\u3001\u9069\u5207\u306b\u51e6\u7406\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u76ee\u7684\u3068\u885d\u7a81\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u6b63\u898f\u5f62 (1NF):<\/strong>\u7d99\u627f\u30e2\u30c7\u30eb\u306f\u3001\u5c5e\u6027\u304c\u539f\u5b50\u6027\u3067\u3042\u308b\u305f\u3081\u3001\u4e00\u822c\u7684\u306b 1NF \u3092\u6e80\u305f\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u6b63\u898f\u5f62 (2NF):<\/strong>STI\uff08\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\uff09\u3067\u306f\u3001\u8b58\u5225\u5b50\u304c\u30ad\u30fc\u306e\u4e00\u90e8\u3067\u306a\u3044\u5834\u5408\u3001\u30c6\u30fc\u30d6\u30eb\u306b\u4e3b\u30ad\u30fc\u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3057\u306a\u3044\u5c5e\u6027\u304c\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u614e\u91cd\u306a\u30ad\u30fc\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u6b63\u898f\u5f62 (3NF):<\/strong>CTI\uff08\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\uff09\u3067\u306f\u3001\u5c5e\u6027\u3092\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306b\u5206\u96e2\u3059\u308b\u3053\u3068\u3067\u3001\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3057\u30013NF \u3092\u9054\u6210\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306f\u3001\u5171\u901a\u5c5e\u6027\u304c\u672c\u5f53\u306b\u5171\u901a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3042\u308b\u5c5e\u6027\u304c\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u3046\u3061\u4e00\u3064\u3060\u3051\u3067\u3057\u304b\u4f7f\u7528\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u305d\u308c\u306f\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306b\u542b\u307e\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u304c\u30af\u30a8\u30ea\u304c\u56f0\u96e3\u306a\u300c\u795e\u306e\u30c6\u30fc\u30d6\u30eb\u300d\u306b\u306a\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002\ud83d\udc41\ufe0f<\/p>\n<h2>\ud83c\udfaf \u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<p>\u7d99\u627f\u30e2\u30c7\u30eb\u304c\u4fdd\u5b88\u53ef\u80fd\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u9ad8\u3044\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u6df1\u3055\u3092\u5236\u9650\u3059\u308b:<\/strong>\u6df1\u3044\u968e\u5c64\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u7d99\u627f\u30ec\u30d9\u30eb\u306f\u901a\u5e38\u30013 \u6bb5\u968e\u304c\u63a8\u5968\u3055\u308c\u308b\u6700\u5927\u5024\u3067\u3059\u3002\u3053\u308c\u3092\u8d85\u3048\u308b\u3068\u3001\u30af\u30a8\u30ea\u3068\u4fdd\u5b88\u306e\u8907\u96d1\u3055\u304c\u30e1\u30ea\u30c3\u30c8\u3092\u4e0a\u56de\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u660e\u78ba\u306a\u547d\u540d\u3092\u4f7f\u7528\u3059\u308b:<\/strong>\u540d\u524d\u306f\u968e\u5c64\u3092\u53cd\u6620\u3059\u3079\u304d\u3067\u3059\u3002<em>Vehicle<\/em>, <em>Car<\/em>, <em>Truck<\/em>\u306f\u660e\u78ba\u3067\u3059\u3002<em>Entity1<\/em>, <em>Entity2<\/em>\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u6210\u9577\u3092\u898b\u636e\u3048\u3066\u8a08\u753b\u3059\u308b:<\/strong>\u5c06\u6765\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u898b\u8fbc\u3093\u3067\u304f\u3060\u3055\u3044\u3002\u591a\u304f\u306e\u65b0\u3057\u3044\u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u3001\u5358\u4e00\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u6271\u3044\u306b\u304f\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5c11\u6570\u3068\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u306f\u3001CTI \u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u5236\u7d04\u3092\u6587\u66f8\u5316\u3059\u308b:<\/strong>\u4e0d\u4ea4\u6027\u3068\u5b8c\u5168\u6027\u306e\u5236\u7d04\u3092\u660e\u78ba\u306b\u6587\u66f8\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5c06\u6765\u306e\u958b\u767a\u8005\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5c5e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565:<\/strong>CTI \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u7d50\u5408\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306e\u5916\u90e8\u30ad\u30fc\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002STI \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306b\u8b58\u5225\u5b50\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\ud83e\uddea \u5b9f\u4e16\u754c\u306e\u30b7\u30ca\u30ea\u30aa<\/h2>\n<p>\u3053\u308c\u304c\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u8ab2\u984c\u306b\u3069\u306e\u3088\u3046\u306b\u9069\u7528\u3055\u308c\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30b7\u30ca\u30ea\u30aa 1: \u4eba\u4e8b<\/h3>\n<p>\u4eba\u4e8b\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001<em>Person<\/em>\u3092\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u306f<em>Employee<\/em>, <em>Contractor<\/em>\u3001\u304a\u3088\u3073<em>Intern<\/em>\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u306f\u56fa\u6709\u306e\u30c7\u30fc\u30bf\u304c\u3042\u308a\u307e\u3059:<em>Employee<\/em>\u306b\u306f\u7d66\u4e0e\u756a\u53f7\u304c\u3042\u308a\u3001<em>Contractor<\/em>\u306b\u306f\u8acb\u6c42\u5358\u4fa1\u304c\u3042\u308a\u307e\u3059\u3002<code>Person<\/code>\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u540d\u524d\u3068\u4f4f\u6240\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30af\u30e9\u30b9\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\u30e2\u30c7\u30eb\u306b\u3046\u307e\u304f\u9069\u5408\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30b7\u30ca\u30ea\u30aa 2: \u5728\u5eab\u7ba1\u7406<\/h3>\n<p>\u88fd\u54c1\u30ab\u30bf\u30ed\u30b0\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<em>Product<\/em>\u304c\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3067\u3059\u3002\u30b5\u30d6\u30bf\u30a4\u30d7\u306f<em>Electronics<\/em>, <em>Furniture<\/em>\u3001\u304a\u3088\u3073<em>Clothing<\/em>. <em>\u96fb\u5b50\u6a5f\u5668<\/em> \u306f <em>\u4fdd\u8a3c\u671f\u9593<\/em>. <em>\u8863\u985e<\/em> \u306f <em>\u30b5\u30a4\u30ba<\/em> \u3068 <em>\u8272<\/em>\u3002\u4fdd\u8a3c\u4ed8\u304d\u306e\u5168\u88fd\u54c1\u3092\u691c\u7d22\u3059\u308b\u5834\u5408\u306f\u3001\u96fb\u5b50\u6a5f\u5668\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30af\u30a8\u30ea\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u6d6e\u304d\u5f6b\u308a\u306b\u3057\u3066\u3044\u307e\u3059\u3002\ud83d\udd0d<\/p>\n<h3>\u30b7\u30ca\u30ea\u30aa 3\uff1a\u91d1\u878d\u53d6\u5f15<\/h3>\n<p>\u9280\u884c\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001<em>\u53e3\u5ea7<\/em>\u304c\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3067\u3059\u3002\u30b5\u30d6\u30bf\u30a4\u30d7\u306f<em>\u666e\u901a\u9810\u91d1<\/em>, <em>\u5c0f\u5207\u624b\u53e3\u5ea7<\/em>\u3001\u304a\u3088\u3073<em>\u8cb8\u4ed8<\/em>\u3002<em>\u666e\u901a\u9810\u91d1<\/em>\u53e3\u5ea7\u306b\u306f\u91d1\u5229\u304c\u3042\u308a\u307e\u3059\u3002<em>\u8cb8\u4ed8<\/em>\u53e3\u5ea7\u306b\u306f\u8fd4\u6e08\u671f\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u53e3\u5ea7\u30bf\u30a4\u30d7\u306b\u308f\u305f\u308b\u6b8b\u9ad8\u8a08\u7b97\u3092\u7c21\u7d20\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u65b9\u5f0f\u304c\u3057\u3070\u3057\u3070\u6709\u52b9\u3067\u3059\u3002<\/p>\n<h2>\ud83d\ude80 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e\u4e8b\u9805<\/h2>\n<p>\u30de\u30c3\u30d4\u30f3\u30b0\u6226\u7565\u3092\u9078\u629e\u3059\u308b\u969b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3057\u3070\u3057\u3070\u6c7a\u5b9a\u7684\u306a\u8981\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306f\u3001\u30a2\u30d7\u30ed\u30fc\u30c1\u9593\u306e\u9055\u3044\u304c\u3088\u308a\u9855\u8457\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff1a<\/strong> STI \u306f\u3001\u5358\u4e00\u306e<code>INSERT<\/code>\u6587\u3067\u3059\u3002CTI \u306f\u8907\u6570\u306e<code>INSERT<\/code>\u6587\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u5897\u52a0\u3055\u305b\u307e\u3059\u3002<\/li>\n<li><strong>\u8aad\u307f\u53d6\u308a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff1a<\/strong>\u7279\u5b9a\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u983b\u7e41\u306b\u7167\u4f1a\u3059\u308b\u5834\u5408\u3001CTI \u306f STI \u3088\u308a\u3082\u9ad8\u901f\u3067\u3059\u3002\u3053\u308c\u306f\u95a2\u9023\u3059\u308b\u5217\u306e\u307f\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7167\u4f1a\u3059\u308b\u5834\u5408\u3001STI \u306e\u65b9\u304c\u9ad8\u901f\u3067\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c8\u30ec\u30fc\u30b8\uff1a<\/strong>STI \u306f\u3001<code>NULL<\/code>\u30d1\u30c7\u30a3\u30f3\u30b0\u306e\u305f\u3081\u3001\u3088\u308a\u591a\u304f\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002CTI \u306f\u3001\u91cd\u8907\u3059\u308b\u4e3b\u30ad\u30fc\u3068\u5916\u90e8\u30ad\u30fc\u306e\u305f\u3081\u306b\u3088\u308a\u591a\u304f\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001<code>NULL<\/code>\u30d1\u30c7\u30a3\u30f3\u30b0\u304c\u306a\u3044\u305f\u3081\u3001\u3088\u308a\u5c11\u306a\u3044\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u7406\u8ad6\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3001\u5fc5\u305a\u3057\u3082\u5b9f\u969b\u306e\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3\u3068\u4e00\u81f4\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u73fe\u5b9f\u7684\u306a\u30c7\u30fc\u30bf\u91cf\u3067\u30c6\u30b9\u30c8\u3092\u884c\u3046\u3053\u3068\u304c\u3001\u9078\u629e\u3092\u78ba\u8a8d\u3059\u308b\u552f\u4e00\u306e\u65b9\u6cd5\u3067\u3059\u3002\ud83d\udcca<\/p>\n<h2>\ud83d\udee1\ufe0f \u30c7\u30fc\u30bf\u6574\u5408\u6027\u3068\u691c\u8a3c<\/h2>\n<p>\u7d99\u627f\u30e2\u30c7\u30eb\u3067\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u53b3\u683c\u306a\u691c\u8a3c\u30eb\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u306b\u5165\u529b\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u3001\u30b9\u30fc\u30d1\u30bf\u30a4\u30d7\u306e\u5236\u7d04\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u30ad\u30fc\u5236\u7d04\uff1a<\/strong>\u30b5\u30d6\u30bf\u30a4\u30d7\u884c\u304c\u5e38\u306b\u6709\u52b9\u306a\u30b9\u30fc\u30d1\u30bf\u30a4\u30d7\u884c\u306b\u30ea\u30f3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b64\u7acb\u3057\u305f\u30c7\u30fc\u30bf\u304c\u9632\u6b62\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30c1\u30a7\u30c3\u30af\u5236\u7d04\uff1a<\/strong>\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u5f37\u5236\u3059\u308b\u305f\u3081\u306b\u30c1\u30a7\u30c3\u30af\u5236\u7d04\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4f8b\u3048\u3070\u3001<em>\u91d1\u5229<\/em>\u304c<em>\u666e\u901a\u9810\u91d1<\/em>\u30b5\u30d6\u30bf\u30a4\u30d7\u3067\u5e38\u306b\u8ca0\u306b\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30c8\u30ea\u30ac\u30fc\uff1a<\/strong>\u4e00\u90e8\u306e\u8907\u96d1\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u66f4\u65b0\u6642\u306b\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u4e00\u8cab\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c8\u30ea\u30ac\u30fc\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u81ea\u52d5\u30c6\u30b9\u30c8\u306f\u7d99\u627f\u30b7\u30ca\u30ea\u30aa\u3092\u30ab\u30d0\u30fc\u3059\u3079\u304d\u3067\u3059\u3002\u65b0\u3057\u3044\u30b5\u30d6\u30bf\u30a4\u30d7\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u30b9\u30fc\u30d1\u30bf\u30a4\u30d7\u304c\u6b63\u3057\u304f\u66f4\u65b0\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30fc\u30d1\u30bf\u30a4\u30d7\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u524a\u9664\u3059\u308b\u3068\u3001\u305d\u308c\u304c\u610f\u56f3\u3055\u308c\u305f\u52d5\u4f5c\u3067\u3042\u308b\u5834\u5408\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u6b63\u3057\u304f\u30ab\u30b9\u30b1\u30fc\u30c9\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\ud83e\uddea<\/p>\n<h2>\ud83d\udcdd 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