{"id":1646,"date":"2026-04-08T23:18:07","date_gmt":"2026-04-08T23:18:07","guid":{"rendered":"https:\/\/www.viz-note.com\/ja\/entity-relationship-diagram-semantics-sql-nosql\/"},"modified":"2026-04-08T23:18:07","modified_gmt":"2026-04-08T23:18:07","slug":"entity-relationship-diagram-semantics-sql-nosql","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/ja\/entity-relationship-diagram-semantics-sql-nosql\/","title":{"rendered":"SQL\u304a\u3088\u3073NoSQL\u74b0\u5883\u306b\u304a\u3051\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306e\u610f\u5473\u8ad6\u306e\u5305\u62ec\u7684\u6982\u8981"},"content":{"rendered":"<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u8a2d\u8a08\u3059\u308b\u306b\u306f\u3001\u60c5\u5831\u304c\u3069\u306e\u3088\u3046\u306b\u63a5\u7d9a\u3055\u308c\u3001\u95a2\u9023\u3057\u3001\u6c38\u7d9a\u5316\u3055\u308c\u308b\u304b\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a2d\u8a08\u306e\u6838\u3068\u306a\u308b\u306e\u304c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u3067\u3059\u3002\u5f93\u6765\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u304d\u305fERD\u306e\u610f\u5473\u8ad6\u306f\u3001\u73fe\u4ee3\u306eNoSQL\u74b0\u5883\u306e\u591a\u69d8\u306a\u30cb\u30fc\u30ba\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u9032\u5316\u3057\u307e\u3057\u305f\u3002\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001\u7570\u306a\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\u30d1\u30e9\u30c0\u30a4\u30e0\u9593\u3067\u30c7\u30fc\u30bf\u95a2\u4fc2\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u969b\u306e\u5fae\u7d30\u306a\u70b9\u3092\u691c\u8a0e\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u69cb\u9020\u7684\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic comparing Entity Relationship Diagram semantics across SQL and NoSQL databases, illustrating foundational ERD concepts, relational foreign keys and normalization, document store embedding, graph database nodes and edges, relationship cardinality patterns (one-to-one, one-to-many, many-to-many), and best practices for data modeling with thick outline sketch aesthetic\" decoding=\"async\" src=\"https:\/\/www.viz-note.com\/wp-content\/uploads\/2026\/04\/erd-semantics-sql-nosql-comparison-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u57fa\u76e4\u3068\u306a\u308b\u6982\u5ff5 \ud83c\udfd7\ufe0f<\/h2>\n<p>\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30bf\u30a4\u30d7\u306b\u6df1\u5165\u308a\u3059\u308b\u524d\u306b\u3001\u5171\u901a\u306e\u8a9e\u5f59\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306f\u8996\u899a\u7684\u306a\u8a2d\u8a08\u56f3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30c6\u30fc\u30d6\u30eb\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3001\u307e\u305f\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff09\u3001\u305d\u308c\u3089\u306e\u5c5e\u6027\uff08\u5217\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u307e\u305f\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\uff09\u3001\u304a\u3088\u3073\u305d\u308c\u3089\u3092\u7d50\u3076\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong>\u30d3\u30b8\u30cd\u30b9\u30c9\u30e1\u30a4\u30f3\u5185\u306e\u660e\u78ba\u306b\u533a\u5225\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u307e\u305f\u306f\u6982\u5ff5\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6587\u8108\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3001\u88fd\u54c1\u3001\u6ce8\u6587\u306a\u3069\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u5c5e\u6027\uff1a<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8aac\u660e\u3059\u308b\u6027\u8cea\u3002\u4f8b\u3068\u3057\u3066\u3001<em>id<\/em>, <em>name<\/em>, <em>created_at<\/em>\u3001\u307e\u305f\u306f<em>status<\/em>.<\/li>\n<li><strong>\u95a2\u4fc2\uff1a<\/strong>2\u3064\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u95a2\u9023\u3002\u3053\u308c\u306f\u30011\u3064\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30c7\u30fc\u30bf\u304c\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30c7\u30fc\u30bf\u3068\u3069\u306e\u3088\u3046\u306b\u63a5\u7d9a\u3055\u308c\u308b\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u57fa\u6570\uff1a<\/strong>\u95a2\u4fc2\u306e\u6570\u7684\u5074\u9762\u3002\u95a2\u4fc2\u304c1\u5bfe1\u30011\u5bfe\u591a\u3001\u307e\u305f\u306f\u591a\u5bfe\u591a\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>ERD\u3092\u4f5c\u6210\u3059\u308b\u969b\u306e\u76ee\u7684\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u73fe\u5b9f\u4e16\u754c\u306e\u8ad6\u7406\u3092\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u9069\u5207\u306b\u69cb\u7bc9\u3055\u308c\u305f\u56f3\u306f\u3001\u958b\u767a\u8005\u306e\u66d6\u6627\u3055\u3092\u8efd\u6e1b\u3057\u3001\u958b\u767a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u5f8c\u6bb5\u968e\u3067\u52b9\u7387\u7684\u306a\u30af\u30a8\u30ea\u3092\u66f8\u3051\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u74b0\u5883\u306b\u304a\u3051\u308b\u610f\u5473\u8ad6 \ud83d\uddc3\ufe0f<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30e2\u30c7\u30eb\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u53b3\u683c\u306a\u30b9\u30ad\u30fc\u30de\u3092\u6301\u3064\u30c6\u30fc\u30d6\u30eb\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306eERD\u306e\u610f\u5473\u8ad6\u306f\u53b3\u683c\u3067\u3001\u96c6\u5408\u8ad6\u304a\u3088\u3073\u7b2c1\u6b63\u898f\u5f62\u306e\u539f\u5247\u306b\u3088\u3063\u3066\u652f\u914d\u3055\u308c\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u95a2\u4fc2\u306f\u3001\u53c2\u7167\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u3063\u3066\u5f37\u5236\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>1. \u5916\u90e8\u30ad\u30fc\u306e\u5f79\u5272<\/h3>\n<p>\u5916\u90e8\u30ad\u30fc\u306f\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30ebERD\u306e\u9aa8\u683c\u3067\u3059\u3002\u7269\u7406\u7684\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u3073\u3064\u3051\u307e\u3059\u3002ERD\u30672\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u3064\u306a\u3050\u7dda\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3001\u5b9f\u88c5\u306f\u5b50\u30c6\u30fc\u30d6\u30eb\u306e\u5916\u90e8\u30ad\u30fc\u5217\u304c\u89aa\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5b9f\u88c5\uff1a<\/strong>\u5217\u306b\u683c\u7d0d\u3055\u308c\u308b\u6570\u5024\u307e\u305f\u306f\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u30fb\u6570\u5024\u306e\u5024\u3002<\/li>\n<li><strong>\u5236\u7d04\uff1a<\/strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u304c\u5b64\u7acb\u30ec\u30b3\u30fc\u30c9\u306e\u767a\u751f\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u53c2\u7167\u3055\u308c\u308b\u4e3b\u30ad\u30fc\u306b\u5b58\u5728\u3057\u306a\u3044\u5024\u306f\u3001\u5916\u90e8\u30ad\u30fc\u5217\u306b\u633f\u5165\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u30ab\u30b9\u30b1\u30fc\u30c9\uff1a<\/strong> \u89aa\u30ec\u30b3\u30fc\u30c9\uff08\u524a\u9664\u307e\u305f\u306f\u66f4\u65b0\uff09\u306b\u5bfe\u3059\u308b\u64cd\u4f5c\u306f\u3001\u5b9a\u7fa9\u3055\u308c\u305f\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u81ea\u52d5\u7684\u306b\u5b50\u30ec\u30b3\u30fc\u30c9\u306b\u4f1d\u64ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u6b63\u898f\u5316\u3068\u6574\u5408\u6027<\/h3>\n<p>\u95a2\u4fc2\u578bERD\u306f\u6b63\u898f\u5316\u3092\u512a\u5148\u3059\u308b\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u5c5e\u6027\u3092\u8ad6\u7406\u7684\u306a\u30b0\u30eb\u30fc\u30d7\u306b\u6574\u7406\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u524a\u6e1b\u3059\u308b\u3002\u9069\u5207\u306b\u6b63\u898f\u5316\u3055\u308c\u305fERD\u306f\u3001\u95a2\u4e0e\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u6570\u306e\u305f\u3081\u3001\u901a\u5e38\u306f\u3088\u308a\u8907\u96d1\u306a\u69cb\u9020\u3092\u6301\u3064\u3002<\/p>\n<ul>\n<li><strong>1NF\uff1a<\/strong> \u539f\u5b50\u6027\u3092\u4fdd\u8a3c\u3059\u308b\uff1b\u5404\u30bb\u30eb\u306b\u306f\u5358\u4e00\u306e\u5024\u304c\u542b\u307e\u308c\u308b\u3002<\/li>\n<li><strong>2NF\uff1a<\/strong> \u90e8\u5206\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u9664\u53bb\u3059\u308b\uff1b\u5c5e\u6027\u306f\u4e3b\u30ad\u30fc\u5168\u4f53\u306b\u4f9d\u5b58\u3059\u308b\u3002<\/li>\n<li><strong>3NF\uff1a<\/strong> \u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u9664\u53bb\u3059\u308b\uff1b\u975e\u30ad\u30fc\u5c5e\u6027\u306f\u4e3b\u30ad\u30fc\u306b\u306e\u307f\u4f9d\u5b58\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u69cb\u9020\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u540d\u524d\u3092\u5909\u66f4\u3059\u308b\u3068\u30011\u304b\u6240\u3067\u66f4\u65b0\u3055\u308c\u3001\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u53c2\u7167\u3059\u308b\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u5373\u5ea7\u306b\u5909\u66f4\u3092\u53cd\u6620\u3059\u308b\u3002<\/p>\n<h3>3. \u591a\u5bfe\u591a\u95a2\u4fc2\u306e\u6271\u3044<\/h3>\n<p>\u591a\u5bfe\u591a\u95a2\u4fc2\u306f\u95a2\u4fc2\u578b\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u610f\u5473\u7684\u306b\u660e\u78ba\u306b\u7570\u306a\u308b\u3002\u3053\u306e\u5834\u5408\u30012\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u76f4\u63a5\u30ea\u30f3\u30af\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u4ee3\u308f\u308a\u306b\u3001\u4e2d\u9593\u306e\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002<\/p>\n<ul>\n<li><strong>\u69cb\u9020\uff1a<\/strong> \u4e21\u65b9\u306e\u95a2\u9023\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u4e3b\u30ad\u30fc\u3092\u542b\u3080\u30c6\u30fc\u30d6\u30eb\u3002<\/li>\n<li><strong>\u6a5f\u80fd\uff1a<\/strong> \u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u30d6\u30ea\u30c3\u30b8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3A\u306e\u8907\u6570\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3B\u306e\u8907\u6570\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u30ea\u30f3\u30af\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li><strong>\u30af\u30a8\u30ea\uff1a<\/strong> \u3053\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001<code>JOIN<\/code> \u64cd\u4f5c\u304c\u5fc5\u8981\u3068\u306a\u308b\u304c\u3001\u6b63\u3057\u304f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306f\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<h2>NoSQL\u74b0\u5883\u306b\u304a\u3051\u308b\u610f\u5473\u8ad6 \ud83d\udce6<\/h2>\n<p>NoSQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u67d4\u8edf\u6027\u3092\u63d0\u4f9b\u3059\u308b\u3002ERD\u306e\u610f\u5473\u8ad6\u306f\u69cb\u9020\u7684\u5236\u7d04\u304b\u3089\u8ad6\u7406\u7684\u8868\u73fe\u3078\u3068\u30b7\u30d5\u30c8\u3059\u308b\u3002\u56f3\u306f\u53b3\u5bc6\u306a\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9\u3088\u308a\u3082\u3001\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u306e\u30ac\u30a4\u30c9\u3068\u3057\u3066\u306e\u5f79\u5272\u304c\u5f37\u304f\u306a\u308b\u3002\u7570\u306a\u308bNoSQL\u30e2\u30c7\u30eb\u306f\u95a2\u4fc2\u3092\u7570\u306a\u308b\u65b9\u6cd5\u3067\u6271\u3046\u3002<\/p>\n<h3>1. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2\u3068\u57cb\u3081\u8fbc\u307f<\/h3>\n<p>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306fJSON\u306b\u4f3c\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u3057\u3066\u683c\u7d0d\u3055\u308c\u308b\u3002ERD\u306f\u3001\u8aad\u307f\u53d6\u308a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u5358\u4e00\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306b\u76f4\u63a5\u57cb\u3081\u8fbc\u3080\u3053\u3068\u3092\u3057\u3070\u3057\u3070\u63d0\u6848\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>1\u5bfe\u591a\uff1a<\/strong> \u89aa\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u5b50\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u914d\u5217\u3092\u542b\u3080\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u53d6\u5f97\u6642\u306b\u7d50\u5408\uff08JOIN\uff09\u304c\u5fc5\u8981\u306a\u304f\u306a\u308b\u3002<\/li>\n<li><strong>\u5f71\u97ff\uff1a<\/strong> \u5b50\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u306b\u306f\u3001\u89aa\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5168\u4f53\u3092\u518d\u66f8\u304d\u8fbc\u307f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u89aa\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u975e\u5e38\u306b\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u7af6\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u8aad\u307f\u53d6\u308a vs. \u66f8\u304d\u8fbc\u307f\uff1a<\/strong> \u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u8aad\u307f\u53d6\u308a\u3092\u6700\u9069\u5316\u3059\u308b\u3002\u901f\u5ea6\u3092\u6c42\u3081\u308b\u4ee3\u308f\u308a\u306b\u3001\u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u72a0\u7272\u306b\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2<\/h3>\n<p>\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306f\u30c7\u30fc\u30bf\u3092\u4e0d\u900f\u660e\u306a\u30d6\u30ed\u30d6\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306eERD\u306e\u610f\u5473\u306f\u6700\u5c0f\u9650\u3067\u3059\u3002\u95a2\u4fc2\u6027\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u306a\u304f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306b\u3088\u3063\u3066\u3057\u3070\u3057\u3070\u63a8\u8ad6\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u53c2\u7167:<\/strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3057\u3070\u3057\u3070\u5225\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3078\u306e\u53c2\u7167ID\u3092\u542b\u307f\u3001\u5916\u90e8\u30ad\u30fc\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u5236\u7d04\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u8cac\u4efb:<\/strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u304c\u53c2\u7167\u3055\u308c\u305fID\u304c\u5b58\u5728\u3057\u3001\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ec\u30d9\u30eb\u3067\u306e\u5236\u7d04\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4f8b:<\/strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406\u3001\u307e\u305f\u306f\u95a2\u4fc2\u6027\u304c\u4e3b\u306a\u95a2\u5fc3\u3067\u306f\u306a\u3044\u975e\u5e38\u306b\u67d4\u8edf\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>3. \u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/h3>\n<p>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u95a2\u4fc2\u6027\u306b\u7279\u5316\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6587\u8108\u306b\u304a\u3051\u308bERD\u306f\u3001\u30ce\u30fc\u30c9\u3068\u30a8\u30c3\u30b8\u306b\u76f4\u63a5\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u304a\u305d\u3089\u304f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306e\u6700\u3082\u76f4\u8a33\u7684\u306a\u89e3\u91c8\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30ce\u30fc\u30c9:<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u4f8b\uff1aPerson\u3001Location\uff09\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30a8\u30c3\u30b8:<\/strong>\u95a2\u4fc2\u6027\uff08\u4f8b\uff1aLIVES_IN\u3001KNOWS\uff09\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30d1\u30c6\u30a3:<\/strong>\u30ce\u30fc\u30c9\u3068\u30a8\u30c3\u30b8\u306e\u4e21\u65b9\u306b\u5c5e\u6027\u3092\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb:<\/strong>\u30af\u30a8\u30ea\u306f\u30a8\u30c3\u30b8\u306b\u5f93\u3044\u307e\u3059\u3002\u95a2\u4fc2\u6027\u306f\u691c\u7d22\u3067\u306f\u306a\u304f\u3001\u30d1\u30b9\u306e\u79fb\u52d5\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30e2\u30c7\u30eb\u5316\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u6bd4\u8f03\u5206\u6790 \ud83d\udcca<\/h2>\n<p>\u3053\u308c\u3089\u306e\u74b0\u5883\u9593\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u9069\u5207\u306a\u30c4\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001ERD\u306e\u610f\u5473\u304c\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u3069\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u308b\u304b\u3092\u6982\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\uff08SQL\uff09<\/th>\n<th>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2<\/th>\n<th>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u30c7\u30fc\u30bf\u69cb\u9020<\/strong><\/td>\n<td>\u884c\u3068\u5217\u3092\u6301\u3064\u30c6\u30fc\u30d6\u30eb<\/td>\n<td>JSON\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/td>\n<td>\u30ce\u30fc\u30c9\u3068\u30a8\u30c3\u30b8<\/td>\n<\/tr>\n<tr>\n<td><strong>\u95a2\u4fc2\u6027\u306e\u5f37\u5236<\/strong><\/td>\n<td>\u5916\u90e8\u30ad\u30fc\uff08\u53b3\u683c\uff09<\/td>\n<td>\u624b\u52d5 \/ \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb<\/td>\n<td>\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u30a8\u30c3\u30b8\u53c2\u7167<\/td>\n<\/tr>\n<tr>\n<td><strong>\u95a2\u4fc2\u306e\u30af\u30a8\u30ea<\/strong><\/td>\n<td>JOIN \u64cd\u4f5c<\/td>\n<td>\u691c\u7d22\u307e\u305f\u306f\u57cb\u3081\u8fbc\u307f<\/td>\n<td>\u30d1\u30b9\u306e\u305f\u3069\u308a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30b9\u30ad\u30fc\u30de\u306e\u67d4\u8edf\u6027<\/strong><\/td>\n<td>\u56fa\u5b9a\u30b9\u30ad\u30fc\u30de<\/td>\n<td>\u52d5\u7684\u30b9\u30ad\u30fc\u30de<\/td>\n<td>\u6e96\u69cb\u9020\u5316<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e3b\u306a\u4f7f\u7528\u30b1\u30fc\u30b9<\/strong><\/td>\n<td>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6574\u5408\u6027<\/td>\n<td>\u30b3\u30f3\u30c6\u30f3\u30c4\u7ba1\u7406 \/ \u6a29\u9650\u968e\u5c64<\/td>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \/ \u30bd\u30fc\u30b7\u30e3\u30eb\u30b0\u30e9\u30d5<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6b63\u898f\u5316<\/strong><\/td>\n<td>\u9ad8\u3044\uff083NF \/ BCNF\uff09<\/td>\n<td>\u4f4e\u3044\uff08\u975e\u6b63\u898f\u5316\uff09<\/td>\n<td>\u8a72\u5f53\u3057\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u95a2\u4fc2\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\uff1a\u8a73\u7d30\u306a\u8003\u5bdf \ud83d\udd17<\/h2>\n<p>ERD\u306b\u63cf\u304b\u308c\u308b\u95a2\u4fc2\u306e\u8868\u73fe\u65b9\u6cd5\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\u3092\u6c7a\u5b9a\u3059\u308b\u3002\u7279\u5b9a\u306e\u57fa\u6570\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u691c\u8a0e\u3057\u3088\u3046\u3002<\/p>\n<h3>1\u5bfe1\u306e\u95a2\u4fc2<\/h3>\n<p>\u3053\u308c\u306f\u6700\u3082\u5358\u7d14\u306a\u95a2\u4fc2\u3067\u3042\u308b\u3002Table A\u306e1\u3064\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u3001Table B\u306e\u6b63\u78ba\u306b1\u3064\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u5fdc\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>SQL\u3067\u306e\u5b9f\u88c5\uff1a<\/strong>\u3044\u305a\u308c\u304b\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5916\u90e8\u30ad\u30fc\u3092\u8a2d\u3051\u3001\u4e00\u610f\u5236\u7d04\u3092\u4ed8\u3051\u308b\u3002<\/li>\n<li><strong>NoSQL\u3067\u306e\u5b9f\u88c5\uff1a<\/strong>\u691c\u7d22\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u3057\u3070\u3057\u30701\u3064\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u7d71\u5408\u3055\u308c\u308b\u304b\u3001\u4e00\u610f\u306e\u53c2\u7167\u3092\u6301\u3064\u5225\u3005\u306e\u5834\u6240\u306b\u4fdd\u5b58\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u4f7f\u7528\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\uff1a<\/strong>\u8a8d\u8a3c\u60c5\u5831\u304b\u3089\u5206\u96e2\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u8a2d\u5b9a\u3001\u307e\u305f\u306f\u7279\u5b9a\u306e\u74b0\u5883\u306b\u30ea\u30f3\u30af\u3055\u308c\u305f\u8a2d\u5b9a\u3002<\/li>\n<\/ul>\n<h3>1\u5bfe\u591a\u306e\u95a2\u4fc2<\/h3>\n<p>\u3053\u308c\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u95a2\u4fc2\u30bf\u30a4\u30d7\u3067\u3042\u308b\u3002Table A\u306e1\u3064\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u3001Table B\u306e\u8907\u6570\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u9023\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>SQL\u306e\u5b9f\u88c5\uff1a<\/strong> \u30c6\u30fc\u30d6\u30ebB\u306e\u5916\u90e8\u30ad\u30fc\u3067\u3001\u30c6\u30fc\u30d6\u30ebA\u3092\u53c2\u7167\u3059\u308b\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2\uff1a<\/strong> \u300cMany\u300d\u5074\u3092\u300cOne\u300d\u5074\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306b\u914d\u5217\u3068\u3057\u3066\u57cb\u3081\u8fbc\u3080\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u968e\u5c64\u5168\u4f53\u3092\u4e00\u5ea6\u306b\u8aad\u307f\u53d6\u308b\u969b\u306b\u52b9\u7387\u7684\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff1a<\/strong> \u300cOne\u300d\u30ce\u30fc\u30c9\u304b\u3089\u8907\u6570\u306e\u300cMany\u300d\u30ce\u30fc\u30c9\u3078\u30a8\u30c3\u30b8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n<li><strong> \u8003\u616e\u4e8b\u9805\uff1a<\/strong> \u300cMany\u300d\u5074\u304c\u5927\u5e45\u306b\u5897\u52a0\u3057\u305f\u5834\u5408\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2\u306b\u57cb\u3081\u8fbc\u3080\u3068\u30b9\u30c8\u30ec\u30fc\u30b8\u5236\u9650\u306b\u9054\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1\uff08\u57cb\u3081\u8fbc\u307f\u3067\u306f\u306a\u304f\u53c2\u7167\uff09\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<h3>\u591a\u5bfe\u591a\u95a2\u4fc2<\/h3>\n<p>\u3053\u306e\u95a2\u4fc2\u306fSQL\u3067\u306f\u30d6\u30ea\u30c3\u30b8\u304c\u5fc5\u8981\u3060\u304c\u3001\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u7570\u306a\u308b\u52d5\u4f5c\u3092\u793a\u3059\u3002<\/p>\n<ul>\n<li><strong>SQL\u306e\u5b9f\u88c5\uff1a<\/strong> \u4e21\u65b9\u306e\u89aa\u30c6\u30fc\u30d6\u30eb\u306eID\u3092\u542b\u3080\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2\uff1a<\/strong> \u901a\u5e38\u3001\u6b63\u898f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3002\u5404\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u95a2\u9023\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306eID\u30ea\u30b9\u30c8\u307e\u305f\u306f\u5b8c\u5168\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u542b\u307e\u308c\u308b\u3002\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u306f\u751f\u3058\u308b\u304c\u3001\u53d6\u5f97\u304c\u9ad8\u901f\u5316\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff1a<\/strong> \u3053\u308c\u306f\u30e2\u30c7\u30eb\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u5f37\u307f\u3067\u3042\u308b\u3002\u30ce\u30fc\u30c9\u306f\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u3092\u4ecb\u3055\u305a\u306b\u76f4\u63a5\u63a5\u7d9a\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u6574\u5408\u6027\u306e\u8ab2\u984c\uff1a<\/strong> \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2\u3067\u306f\u3001\u8907\u6570\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u9593\u3067\u30ea\u30b9\u30c8\u3092\u540c\u671f\u3055\u305b\u308b\u306e\u306f\u96e3\u3057\u3044\u3002\u5171\u6709\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u66f4\u65b0\u306f\u3001\u53c2\u7167\u3059\u308b\u3059\u3079\u3066\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u624b\u52d5\u3067\u4f1d\u64ad\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<h2>\u30b9\u30ad\u30fc\u30de\u306e\u9032\u5316\u3068\u67d4\u8edf\u6027 \ud83d\udd04<\/h2>\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8981\u4ef6\u306f\u5909\u5316\u3059\u308b\u3002\u65e2\u5b58\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7834\u58ca\u305b\u305a\u306b\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u304c\u9032\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002ERD\u306e\u610f\u5473\u8ad6\u304c\u3001\u3053\u306e\u9032\u5316\u304c\u3069\u308c\u307b\u3069\u5bb9\u6613\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/p>\n<h3>1. SQL\u306b\u304a\u3051\u308b\u30b9\u30ad\u30fc\u30de\u79fb\u884c<\/h3>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30b9\u30ad\u30fc\u30de\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u91cd\u5927\u306a\u64cd\u4f5c\u3067\u3042\u308b\u3002\u901a\u5e38\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u30ed\u30c3\u30af\u3084\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u4e2d\u306b\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30ab\u30e9\u30e0\u306e\u8ffd\u52a0\uff1a<\/strong> \u4e00\u822c\u7684\u306b\u5b89\u5168\u3067\u9ad8\u901f\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u30ab\u30e9\u30e0\u540d\u306e\u5909\u66f4\uff1a<\/strong> \u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u518d\u66f8\u304d\u8fbc\u307f\u3068\u3001\u3059\u3079\u3066\u306e\u4f9d\u5b58\u30af\u30a8\u30ea\u306e\u66f4\u65b0\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u578b\u306e\u5909\u66f4\uff1a<\/strong> \u30c7\u30fc\u30bf\u5909\u63db\u306b\u5931\u6557\u3057\u305f\u5834\u5408\u3084\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u304c\u53e4\u3044\u578b\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30ea\u30b9\u30af\u304c\u4f34\u3046\u3002<\/li>\n<\/ul>\n<h3>2. NoSQL\u306b\u304a\u3051\u308b\u30b9\u30ad\u30fc\u30de\u306e\u67d4\u8edf\u6027<\/h3>\n<p>NoSQL\u30b7\u30b9\u30c6\u30e0\u306f\u4e00\u822c\u7684\u306b\u30b9\u30ad\u30fc\u30de\u30ec\u30b9\u307e\u305f\u306f\u30b9\u30ad\u30fc\u30de\u30aa\u30f3\u30ea\u30fc\u30c9\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u8a31\u53ef\u3059\u308b\u3002ERD\u306f\u6cd5\u5247\u3067\u306f\u306a\u304f\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u904e\u304e\u306a\u3044\u3002<\/p>\n<ul>\n<li><strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u8ffd\u52a0\uff1a<\/strong>\u7279\u5b9a\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u65b0\u3057\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u304c\u3001\u4ed6\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002<\/li>\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\uff1a<\/strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u4ed8\u3051\u308b\u306e\u306f\u4e00\u822c\u7684\u3067\u3001\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u7570\u306a\u308b\u69cb\u9020\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/li>\n<li><strong>\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\uff1a<\/strong>\u5f37\u5236\u529b\u306e\u6b20\u5982\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u54c1\u8cea\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u524d\u306b\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30e2\u30c7\u30eb\u9078\u629e\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff \u26a1<\/h2>\n<p>ERD\u306e\u69cb\u9020\u306f\u30af\u30a8\u30ea\u901f\u5ea6\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u4e07\u80fd\u306e\u89e3\u6c7a\u7b56\u306f\u5b58\u5728\u305b\u305a\u3001\u8a2d\u8a08\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u3068\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>1. \u8aad\u307f\u8fbc\u307f\u4e2d\u5fc3\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9<\/h3>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u983b\u7e41\u306b\u8aad\u307f\u8fbc\u3080\u304c\u3001\u66f4\u65b0\u306f\u7a00\u306a\u5834\u5408\u3001\u975e\u6b63\u898f\u5316\u306f\u6709\u76ca\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6226\u7565\uff1a<\/strong>\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u57cb\u3081\u8fbc\u3080\u3053\u3068\u3067\u3001\u5fc5\u8981\u306a\u30af\u30a8\u30ea\u306e\u6570\u3092\u6e1b\u3089\u3059\u3002<\/li>\n<li><strong>\u5229\u70b9\uff1a<\/strong>I\/O\u64cd\u4f5c\u306e\u56de\u6570\u304c\u6e1b\u308a\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u4f4e\u4e0b\u3059\u308b\u3002<\/li>\n<li><strong>\u30b3\u30b9\u30c8\uff1a<\/strong>\u30b9\u30c8\u30ec\u30fc\u30b8\u4f7f\u7528\u91cf\u306e\u5897\u52a0\u3068\u3001\u66f4\u65b0\u30ed\u30b8\u30c3\u30af\u306e\u8907\u96d1\u5316\u3002<\/li>\n<\/ul>\n<h3>2. \u66f8\u304d\u8fbc\u307f\u4e2d\u5fc3\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9<\/h3>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u983b\u7e41\u306b\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001\u6b63\u898f\u5316\u307e\u305f\u306f\u5225\u3005\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6226\u7565\uff1a<\/strong>\u30c7\u30fc\u30bf\u3092\u6700\u3082\u539f\u5b50\u7684\u306a\u5f62\u3067\u4fdd\u5b58\u3057\u3001\u30af\u30a8\u30ea\u6642\u306b\u7d50\u5408\u307e\u305f\u306f\u53c2\u7167\u3059\u308b\u3002<\/li>\n<li><strong>\u5229\u70b9\uff1a<\/strong>\u5358\u4e00\u306e\u771f\u5b9f\u306e\u30bd\u30fc\u30b9\uff1b\u66f4\u65b0\u306f1\u304b\u6240\u3067\u884c\u308f\u308c\u308b\u3002<\/li>\n<li><strong>\u30b3\u30b9\u30c8\uff1a<\/strong>\u7d50\u5408\u3084\u8907\u6570\u306e\u53c2\u7167\u306b\u3088\u308b\u8aad\u307f\u8fbc\u307f\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u5897\u52a0\u3002<\/li>\n<\/ul>\n<h3>3. \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565<\/h3>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7a2e\u985e\u306b\u95a2\u4fc2\u306a\u304f\u3001ERD\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u5fc5\u8981\u306a\u5834\u6240\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\uff1a<\/strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u5916\u90e8\u30ad\u30fc\u304a\u3088\u3073<code>WHERE<\/code>\u53e5\u3067\u4f7f\u7528\u3055\u308c\u308b\u30ab\u30e9\u30e0\u306b\u914d\u7f6e\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8:<\/strong> \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u983b\u7e41\u306b\u30af\u30a8\u30ea\u3055\u308c\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u7279\u5b9a\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u6587\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30b0\u30e9\u30d5:<\/strong> \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30ce\u30fc\u30c9\u30e9\u30d9\u30eb\u3068\u30a8\u30c3\u30b8\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u914d\u7f6e\u3055\u308c\u3001\u79fb\u52d5\u306e\u958b\u59cb\u70b9\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u74b0\u5883\u3068\u30dd\u30ea\u30b0\u30ed\u30c3\u30c8\u6c38\u7d9a\u6027 \ud83e\udde9<\/h2>\n<p>\u73fe\u4ee3\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6280\u8853\u3092\u540c\u6642\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3053\u308c\u3092\u30dd\u30ea\u30b0\u30ed\u30c3\u30c8\u6c38\u7d9a\u6027\u3068\u547c\u3073\u307e\u3059\u3002ERD\u306e\u610f\u5473\u8ad6\u306f\u3001\u3053\u308c\u3089\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>1. \u30c7\u30fc\u30bf\u4e00\u8cab\u6027\u30d1\u30bf\u30fc\u30f3<\/h3>\n<p>\u30c7\u30fc\u30bf\u304c\u8907\u6570\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u307e\u305f\u304c\u308b\u5834\u5408\u3001\u4e00\u8cab\u6027\u306f\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>ACID:<\/strong> \u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u5f37\u529b\u306a\u4e00\u8cab\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u540c\u3058\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u307e\u305f\u304c\u308a\u307e\u3059\u3002<\/li>\n<li><strong>BASE:<\/strong> NoSQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u53ef\u7528\u6027\u3068\u6700\u7d42\u7684\u4e00\u8cab\u6027\u3092\u597d\u3080\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u5358\u4e00\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u9650\u5b9a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30b5\u30fc\u30ac\u30d1\u30bf\u30fc\u30f3:<\/strong> \u30b7\u30b9\u30c6\u30e0\u9593\u306e\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5834\u5408\u3001\u30b5\u30fc\u30ac\u30d1\u30bf\u30fc\u30f3\u306f\u30ed\u30fc\u30ab\u30eb\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u9577\u6642\u9593\u5b9f\u884c\u3055\u308c\u308b\u64cd\u4f5c\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308bERD\u306e\u5f79\u5272<\/h3>\n<p>ERD\u306f\u6982\u5ff5\u7684\u306a\u5730\u56f3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u7269\u7406\u7684\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u7570\u306a\u3063\u3066\u3044\u3066\u3082\u3001\u8ad6\u7406\u7684\u306a\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30de\u30c3\u30d4\u30f3\u30b0:<\/strong> \u958b\u767a\u8005\u306fERD\u3092\u4f7f\u3063\u3066\u3001\u3069\u306e\u30c7\u30fc\u30bf\u3092\u3069\u306e\u30b9\u30c8\u30a2\u306b\u914d\u7f6e\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7d71\u5408:<\/strong> \u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u30c7\u30fc\u30bf\u540c\u671f\u304c\u5fc5\u8981\u306a\u5834\u6240\u3092\u53ef\u8996\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8:<\/strong> \u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u9593\u306e\u6280\u8853\u7684\u9055\u3044\u3092\u7406\u89e3\u3067\u304d\u306a\u3044\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306b\u5bfe\u3057\u3066\u3001\u7d71\u4e00\u3055\u308c\u305f\u8996\u70b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 \ud83d\udee1\ufe0f<\/h2>\n<p>\u9577\u671f\u7684\u306a\u4fdd\u5b88\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001ERD\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306f\u3053\u308c\u3089\u306e\u539f\u5247\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u3092\u7406\u89e3\u3059\u308b:<\/strong> \u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u30c7\u30fc\u30bf\u306f\u30e2\u30c7\u30eb\u5316\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u9069\u5207\u306a\u30c4\u30fc\u30eb\u3092\u9078\u3076:<\/strong> 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\u56f3\u306b\u660e\u78ba\u306b\u57fa\u6570\u3092\u30e9\u30d9\u30eb\u4ed8\u3051\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u66d6\u6627\u3055\u306f\u5b9f\u88c5\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6210\u9577\u3092\u898b\u636e\u3048\u305f\u8a08\u753b\uff1a<\/strong>\u30c7\u30fc\u30bf\u91cf\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u57cb\u3081\u8fbc\u307f\u914d\u5217\u304c\u5927\u304d\u304f\u306a\u308a\u3059\u304e\u306a\u3044\u304b\uff1f\u30b8\u30e7\u30a4\u30f3\u30c6\u30fc\u30d6\u30eb\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u3089\u306a\u3044\u304b\uff1f<\/li>\n<li><strong>\u8a2d\u8a08\u3092\u7e70\u308a\u8fd4\u3059\uff1a<\/strong>ERD\u306f\u9759\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9032\u5316\u3084\u65b0\u305f\u306a\u5236\u7d04\u306e\u767a\u898b\u306b\u5fdc\u3058\u3066\u3001\u305d\u308c\u3092\u6539\u5584\u3057\u76f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3067\u691c\u8a3c\u3059\u308b\uff1a<\/strong>\u7279\u306bNoSQL\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u305d\u308c\u3092\u5f37\u5236\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\u30e2\u30c7\u30eb\u5316\u306e\u610f\u5473\u8ad6\u306b\u95a2\u3059\u308b\u7d50\u8ad6 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