{"id":1554,"date":"2026-03-25T05:10:40","date_gmt":"2026-03-25T05:10:40","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/"},"modified":"2026-03-25T05:10:40","modified_gmt":"2026-03-25T05:10:40","slug":"achieving-third-normal-form-performance","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/","title":{"rendered":"ERD\u30ac\u30a4\u30c9\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u7b2c\u4e09\u6b63\u898f\u5f62\u3092\u9054\u6210\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal sketch infographic illustrating how to achieve Third Normal Form (3NF) database normalization while maintaining query performance, featuring a balance scale metaphor weighing data integrity against speed, visualization of 1NF\/2NF\/3NF dependency rules, performance challenges like join overhead and disk I\/O, four optimization strategies (selective denormalization, strategic indexing, partitioning\/sharding, read replicas), ERD design considerations, normalized vs optimized design comparison, and an implementation checklist for database architects\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\"\/><\/figure>\n<\/div>\n<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308a\u5408\u3044\u3067\u3042\u308b\u3002\u4e00\u65b9\u3067\u306f\u3001\u6b63\u898f\u5316\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u4fdd\u3061\u3001\u5197\u9577\u6027\u3092\u6392\u9664\u3059\u308b\u3002\u4ed6\u65b9\u3067\u306f\u3001\u30af\u30a8\u30ea\u306e\u9ad8\u901f\u6027\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u5fdc\u7b54\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u3002\u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u306f\u3001\u53b3\u3057\u3044\u6b63\u898f\u5316\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u30af\u30a8\u30ea\u306e\u9045\u5ef6\u3092\u62db\u304f\u304b\u3001\u975e\u6b63\u898f\u5316\u3092\u6975\u7aef\u306b\u9032\u3081\u3066\u30c7\u30fc\u30bf\u306e\u4e0d\u6574\u5408\u3092\u62db\u304f\u304b\u3068\u3044\u3046\u96e3\u3057\u3044\u9078\u629e\u306b\u76f4\u9762\u3059\u308b\u3002\u76ee\u6a19\u306f\u3001\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09\u306b\u6e96\u62e0\u3057\u3064\u3064\u3082\u3001\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7dad\u6301\u3067\u304d\u308b\u4e2d\u9593\u5730\u70b9\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u901f\u5ea6\u306e\u4e21\u65b9\u3092\u640d\u306a\u308f\u305a\u306b\u3001\u3053\u306e\u5747\u8861\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u306e\u69cb\u9020\u5316\u65b9\u6cd5\u306b\u3064\u3044\u3066\u63a2\u6c42\u3059\u308b\u3002<\/p>\n<h2>\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u7406\u89e3 \ud83e\udde9<\/h2>\n<p>\u7b2c\u4e09\u6b63\u898f\u5f62\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6b63\u898f\u5316\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u6bb5\u968e\u3067\u3042\u308b\u30023NF\u306b\u5230\u9054\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u7b2c\u4e00\u6b63\u898f\u5f62\uff081NF\uff09\u3068\u7b2c\u4e8c\u6b63\u898f\u5f62\uff082NF\uff09\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u30023NF\u306e\u6838\u5fc3\u539f\u5247\u306f\u3001\u3059\u3079\u3066\u306e\u5c5e\u6027\u304c\u4e3b\u30ad\u30fc\u306b\u306e\u307f\u4f9d\u5b58\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308b\u3002\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u6b63\u898f\u5f62\uff1a<\/strong>\u7e70\u308a\u8fd4\u3057\u30b0\u30eb\u30fc\u30d7\u3092\u6392\u9664\u3057\u3001\u539f\u5b50\u7684\u306a\u5024\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u6b63\u898f\u5f62\uff1a<\/strong>\u8907\u5408\u30ad\u30fc\u306e\u4e00\u90e8\u306b\u306e\u307f\u4f9d\u5b58\u3059\u308b\u975e\u30ad\u30fc\u5c5e\u6027\u306b\u3088\u308b\u90e8\u5206\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3059\u308b\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u6b63\u898f\u5f62\uff1a<\/strong>\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3059\u308b\u3002A\u304cB\u3092\u6c7a\u5b9a\u3057\u3001B\u304cC\u3092\u6c7a\u5b9a\u3059\u308b\u5834\u5408\u3001C\u306f\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u5185\u3067A\u306b\u76f4\u63a5\u4f9d\u5b58\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<p>3NF\u306b\u5230\u9054\u3059\u308b\u3068\u3001\u66f4\u65b0\u7570\u5e38\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u66f4\u65b0\u7570\u5e38\u3068\u306f\u3001\u30c7\u30fc\u30bf\u304c\u4e00\u3064\u306e\u5834\u6240\u3067\u5909\u66f4\u3055\u308c\u305f\u304c\u4ed6\u306e\u5834\u6240\u3067\u306f\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u306b\u751f\u3058\u308b\u30a8\u30e9\u30fc\u3067\u3042\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u6574\u5408\u6027\u306e\u6b20\u5982\u304c\u767a\u751f\u3059\u308b\u3002\u4f8b\u3048\u3070\u3001\u9867\u5ba2\u306e\u4f4f\u6240\u304c\u300c\u6ce8\u6587\u300d\u30c6\u30fc\u30d6\u30eb\u3068\u300c\u9867\u5ba2\u300d\u30c6\u30fc\u30d6\u30eb\u306e\u4e21\u65b9\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u4e00\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u4f4f\u6240\u3092\u5909\u66f4\u3057\u3066\u3082\u4ed6\u65b9\u3067\u5909\u66f4\u3057\u306a\u3051\u308c\u3070\u3001\u4e0d\u6574\u5408\u304c\u751f\u3058\u308b\u30023NF\u306f\u3001\u305d\u306e\u4f4f\u6240\u3092\u4e00\u3064\u306e\u5834\u6240\u306b\u306e\u307f\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3092\u5f37\u5236\u3059\u308b\u3002<code>\u6ce8\u6587<\/code>\u30c6\u30fc\u30d6\u30eb\u3068<code>\u9867\u5ba2<\/code>\u3082\u3046\u4e00\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u5909\u66f4\u3057\u306a\u3051\u308c\u3070\u3001\u4e0d\u6574\u5408\u304c\u751f\u3058\u308b\u30023NF\u306f\u3001\u305d\u306e\u4f4f\u6240\u3092\u4e00\u3064\u306e\u5834\u6240\u306b\u306e\u307f\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3092\u5f37\u5236\u3059\u308b\u3002<\/p>\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5 \u26a1<\/h2>\n<p>3NF\u306f\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306b\u304a\u3044\u3066\u512a\u308c\u3066\u3044\u308b\u304c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30b3\u30b9\u30c8\u3092\u4f34\u3046\u3053\u3068\u304c\u591a\u3044\u3002\u6b63\u898f\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u901a\u5e38\u3001\u3088\u308a\u591a\u304f\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002\u5b8c\u5168\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u304c\u8907\u6570\u306e\u7d50\u5408\uff08JOIN\uff09\u3092\u5b9f\u884c\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u5404\u7d50\u5408\u64cd\u4f5c\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30a3\u30b9\u30af\u307e\u305f\u306f\u30e1\u30e2\u30ea\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30ad\u30fc\u3092\u7167\u5408\u3057\u3001\u7d50\u679c\u3092\u7d71\u5408\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<p>\u9867\u5ba2\u540d\u3001\u6ce8\u6587\u8a73\u7d30\u3001\u88fd\u54c1\u8aac\u660e\u3001\u914d\u9001\u5148\u4f4f\u6240\u3092\u5fc5\u8981\u3068\u3059\u308b\u30ec\u30dd\u30fc\u30c8\u30af\u30a8\u30ea\u3092\u8003\u3048\u3066\u307f\u3088\u3046\u3002\u5b8c\u5168\u306b\u6b63\u898f\u5316\u3055\u308c\u305f3NF\u8a2d\u8a08\u3067\u306f\u30015\u3064\u4ee5\u4e0a\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u30c7\u30fc\u30bf\u91cf\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u7d50\u5408\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<p>3NF\u306b\u95a2\u9023\u3059\u308b\u5177\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4e0a\u306e\u8ab2\u984c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\uff1a<\/p>\n<ul>\n<li><strong>\u7d50\u5408\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u5897\u52a0\uff1a<\/strong>\u3059\u3079\u3066\u306e\u95a2\u4fc2\u306b\u304a\u3044\u3066\u3001\u8aad\u307f\u53d6\u308a\u30af\u30a8\u30ea\u6642\u306b\u7d50\u5408\u64cd\u4f5c\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/li>\n<li><strong>\u30c7\u30a3\u30b9\u30afI\/O\uff1a<\/strong>\u30c7\u30fc\u30bf\u3092\u591a\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5206\u6563\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u304c\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u30da\u30fc\u30b8\u6570\u304c\u5897\u52a0\u3059\u308b\u3002<\/li>\n<li><strong>\u8907\u96d1\u306a\u30af\u30a8\u30ea\u30ed\u30b8\u30c3\u30af\uff1a<\/strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u3088\u308a\u8907\u96d1\u306aSQL\u6587\u3092\u69cb\u7bc9\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u8907\u96d1\u3055\uff1a<\/strong>\u975e\u6b63\u898f\u5316\u3055\u308c\u305f1\u884c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u307b\u3046\u304c\u3001\u8907\u6570\u306e\u95a2\u9023\u884c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3088\u308a\u3082\u7c21\u5358\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n<h2>\u6574\u5408\u6027\u3068\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u306e\u6226\u7565 \ud83d\ude80<\/h2>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u6b63\u898f\u5316\u3092\u653e\u68c4\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u30023NF\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u69cb\u9020\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u7279\u5b9a\u306e\u6280\u8853\u304c\u5b58\u5728\u3059\u308b\u3002\u4ee5\u4e0b\u306e\u6226\u7565\u306f\u3001\u901f\u5ea6\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u30c7\u30fc\u30bf\u54c1\u8cea\u3092\u7dad\u6301\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3002<\/p>\n<h3>1. \u9078\u629e\u7684\u975e\u6b63\u898f\u5316<\/h3>\n<p>\u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u53b3\u5bc6\u306b3NF\u3067\u3042\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8aad\u307f\u8fbc\u307f\u304c\u91cd\u3044\u30c6\u30fc\u30d6\u30eb\u3068\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u30d1\u30b9\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u7279\u5b9a\u9818\u57df\u306b\u5236\u5fa1\u3055\u308c\u305f\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u5c0e\u5165\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u9867\u5ba2\u306e\u540d\u524d\u3092\u300c\u6ce8\u6587\u300d\u30c6\u30fc\u30d6\u30eb\u306b\u76f4\u63a5\u683c\u7d0d\u3059\u308b\u3068\u3044\u3063\u305f\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<code>\u6ce8\u6587<\/code>\u30c6\u30fc\u30d6\u30eb\u306b\u76f4\u63a5\u683c\u7d0d\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30c7\u30fc\u30bf\u304c\u91cd\u8907\u3057\u307e\u3059\u304c\u3001\u6ce8\u6587\u306e\u691c\u7d22\u6027\u80fd\u306f\u8457\u3057\u304f\u5411\u4e0a\u3057\u307e\u3059\u3002\u9867\u5ba2\u30ec\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u305f\u969b\u306b\u306f\u3001\u3053\u306e\u30b3\u30d4\u30fc\u3092\u66f4\u65b0\u3059\u308b\u305f\u3081\u306e\u30c8\u30ea\u30ac\u30fc\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>2. \u6226\u7565\u7684\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316<\/h3>\n<p>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u7d50\u5408\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u306a\u3051\u308c\u3070\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u5404\u7d50\u5408\u6761\u4ef6\u306b\u5bfe\u3057\u3066\u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u691c\u7d22\u306f\u307b\u307c\u77ac\u6642\u306b\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff1a<\/strong>\u5916\u90e8\u30ad\u30fc\u95a2\u4fc2\u306b\u4f7f\u7528\u3055\u308c\u308b\u5217\u306f\u5e38\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4ed8\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u7d50\u5408\u304c\u9ad8\u901f\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff1a<\/strong>\u30af\u30a8\u30ea\u3067\u983b\u7e41\u306b\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u8907\u6570\u306e\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30ab\u30d0\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff1a<\/strong>\u7279\u5b9a\u306e\u30af\u30a8\u30ea\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u5217\u3092\u542b\u3080\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30e1\u30a4\u30f3\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u3078\u306e\u53c2\u7167\u3092\u56de\u907f\u3057\u3066\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u307f\u3067\u30af\u30a8\u30ea\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>3. \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3068\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0<\/h3>\n<p>\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u5927\u304d\u304f\u306a\u308a\u3059\u304e\u305f\u5834\u5408\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u306f\u3001\u65e5\u4ed8\u3084\u5730\u57df\u306a\u3069\u306e\u30ad\u30fc\u306b\u57fa\u3065\u3044\u3066\u5927\u304d\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u3001\u3088\u308a\u6271\u3044\u3084\u3059\u3044\u5c0f\u3055\u306a\u7269\u7406\u7684\u306a\u90e8\u5206\u306b\u5206\u5272\u3057\u307e\u3059\u3002\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u306f\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5206\u6563\u3055\u305b\u307e\u3059\u3002\u4e21\u65b9\u306e\u65b9\u6cd5\u3068\u3082\u3001\u7279\u5b9a\u306e\u30af\u30a8\u30ea\u306b\u7b54\u3048\u308b\u305f\u3081\u306b\u30a8\u30f3\u30b8\u30f3\u304c\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u30c7\u30fc\u30bf\u91cf\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<h3>4. \u8aad\u307f\u53d6\u308a\u30ec\u30d7\u30ea\u30ab<\/h3>\n<p>\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u3068\u8aad\u307f\u53d6\u308a\u64cd\u4f5c\u3092\u5206\u96e2\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3084\u66f4\u65b0\u306b\u4e3b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3001\u305d\u306e\u30c7\u30fc\u30bf\u30921\u3064\u4ee5\u4e0a\u306e\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30ec\u30d7\u30ea\u30ab\u306b\u30ec\u30d7\u30ea\u30b1\u30fc\u30c8\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u8907\u96d1\u306a\u30ec\u30dd\u30fc\u30c8\u30af\u30a8\u30ea\u306f\u30ec\u30d7\u30ea\u30ab\u4e0a\u3067\u5b9f\u884c\u3057\u3001\u30e1\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u3092\u30e6\u30fc\u30b6\u30fc\u3068\u306e\u3084\u308a\u53d6\u308a\u306b\u8fc5\u901f\u306a\u72b6\u614b\u306b\u4fdd\u3061\u307e\u3059\u3002<\/p>\n<h2>ERD\u8a2d\u8a08\u4e0a\u306e\u8003\u616e\u4e8b\u9805 \ud83d\udcd0<\/h2>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u3092\u63cf\u304f\u969b\u3001\u8996\u899a\u7684\u306a\u8868\u73fe\u306f\u958b\u767a\u8005\u304c\u30af\u30a8\u30ea\u3092\u66f8\u304f\u65b9\u6cd5\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u660e\u78ba\u306aERD\u306f\u95a2\u4fc2\u3092\u65e9\u671f\u306b\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u7d19\u9762\u4e0a\u3067\u306f\u5b8c\u74a7\u306b\u898b\u3048\u308b\u56f3\u3067\u3082\u3001\u5b9f\u969b\u306e\u904b\u7528\u74b0\u5883\u3067\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u60aa\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305fERD\u8a2d\u8a08\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30ab\u30fc\u30c7\u30a3\u30ca\u30ea\u30c6\u30a3\u3092\u660e\u78ba\u306b\u7279\u5b9a\u3059\u308b\uff1a<\/strong>\u3059\u3079\u3066\u306e\u95a2\u4fc2\u306b\u660e\u78ba\u306a\u30ab\u30fc\u30c7\u30a3\u30ca\u30ea\u30c6\u30a3\uff081\u5bfe1\u30011\u5bfe\u591a\u3001\u591a\u5bfe\u591a\uff09\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u66d6\u6627\u306a\u95a2\u4fc2\u306f\u975e\u52b9\u7387\u306a\u7d50\u5408\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6210\u9577\u3092\u898b\u636e\u3048\u305f\u8a2d\u8a08\uff1a<\/strong>\u5c06\u6765\u306e\u30c7\u30fc\u30bf\u91cf\u3092\u898b\u8d8a\u3057\u3066\u8a2d\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u30021\u4e07\u884c\u3067\u52d5\u4f5c\u3059\u308b\u8a2d\u8a08\u3067\u3082\u30011000\u4e07\u884c\u306b\u306a\u308b\u3068\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u7d50\u5408\u30d1\u30b9\u3092\u691c\u8a0e\u3059\u308b\uff1a<\/strong>\u4e00\u822c\u7684\u306a\u30af\u30a8\u30ea\u304c\u56f3\u3092\u901a\u3058\u3066\u305f\u3069\u308b\u30d1\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d1\u30b9\u304c\u9577\u3059\u304e\u308b\u5834\u5408\u306f\u3001\u6b63\u898f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u5217\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u5236\u7d04\u3092\u6587\u66f8\u5316\u3059\u308b\uff1a<\/strong>\u3069\u306e\u5236\u7d04\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u5f37\u5236\u3055\u308c\u3001\u3069\u306e\u5236\u7d04\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3067\u51e6\u7406\u3055\u308c\u308b\u304b\u3092\u660e\u78ba\u306b\u6587\u66f8\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\u6bd4\u8f03\uff1a\u6b63\u898f\u5316\u8a2d\u8a08 vs. \u6700\u9069\u5316\u8a2d\u8a08 \ud83d\udcca<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3051\u308b\u53b3\u683c\u306a3NF\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u6700\u9069\u5316\u30a2\u30d7\u30ed\u30fc\u30c1\u306e\u9055\u3044\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u53b3\u683c\u306a3NF\u8a2d\u8a08<\/th>\n<th>\u6700\u9069\u5316\u8a2d\u8a08<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5197\u9577\u6027<\/td>\n<td>\u6700\u5c0f\u9650<\/td>\n<td>\u5236\u5fa1\u3055\u308c\u3001\u9650\u5b9a\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30a8\u30ea\u306e\u8907\u96d1\u3055<\/td>\n<td>\u9ad8\u3044\uff08\u8907\u6570\u306e\u7d50\u5408\uff09<\/td>\n<td>\u4e2d\u7a0b\u5ea6\uff08\u7d50\u5408\u306e\u6570\u304c\u5c11\u306a\u3044\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td>\n<td>\u9ad8\u901f\uff08\u30c7\u30fc\u30bf\u91cf\u304c\u5c11\u306a\u3044\uff09<\/td>\n<td>\u5909\u52d5\u3059\u308b\uff08\u66f4\u65b0\u30c8\u30ea\u30ac\u30fc\u3042\u308a\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8aad\u307f\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td>\n<td>\u9045\u3044\uff08\u30c7\u30a3\u30b9\u30afI\/O\uff09<\/td>\n<td>\u9ad8\u901f\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30c7\u30fc\u30bf\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u6574\u5408\u6027<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u9ad8\u3044\uff08\u691c\u8a3c\u3042\u308a\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30eb\u30fc\u30eb\u3092\u7834\u308b\u3079\u304d\u6642 \ud83d\uded1<\/h2>\n<p>\u53b3\u683c\u306a3NF\u3092\u7121\u8996\u3059\u3079\u304d\u6b63\u5f53\u306a\u72b6\u6cc1\u306f\u5b58\u5728\u3059\u308b\u3002\u4f55\u6642\u3069\u306e\u3088\u3046\u306b\u9038\u8131\u3059\u3079\u304d\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u304a\u3088\u3073\u5206\u6790\uff1a<\/strong>\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u306f\u901a\u5e38\u30013NF\u3067\u306f\u306a\u304f\u30b9\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3002\u3053\u3053\u3067\u306e\u76ee\u7684\u306f\u5206\u6790\u7528\u306e\u9ad8\u901f\u8aad\u307f\u8fbc\u307f\u3067\u3042\u308a\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u6574\u5408\u6027\u3067\u306f\u306a\u3044\u3002<\/li>\n<li><strong>\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u304c1\u79d2\u9593\u306b\u6570\u767e\u4e07\u4ef6\u306e\u66f8\u304d\u8fbc\u307f\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u3001\u8907\u96d1\u306a\u7d50\u5408\u306f\u30ed\u30c3\u30af\u7af6\u5408\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u30b9\u30ad\u30fc\u30de\u3092\u7c21\u7565\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30ed\u30c3\u30af\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u524a\u6e1b\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong> \u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u79fb\u884c\u3059\u308b\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u30fc\u306e\u518d\u69cb\u7bc9\u4e2d\u306b\u4e00\u6642\u7684\u306b\u975e\u6b63\u898f\u5316\u3059\u308b\u65b9\u304c\u901f\u3044\u5834\u5408\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u8aad\u307f\u8fbc\u307f\u4e2d\u5fc3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff1a<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c1\u56de\u306e\u66f8\u304d\u8fbc\u307f\u306b\u5bfe\u3057\u3066100\u56de\u8aad\u307f\u8fbc\u307f\u3092\u884c\u3046\u5834\u5408\u30013NF\u306e\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u30b3\u30b9\u30c8\u306f\u305d\u306e\u5229\u70b9\u3092\u4e0a\u56de\u308b\u3002<\/li>\n<\/ul>\n<h2>\u5b9f\u88c5\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8 \u2705<\/h2>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3092\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u524d\u306b\u3001\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6b63\u898f\u5316\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\u3092\u5206\u6790\u3059\u308b\uff1a<\/strong> \u6700\u3082\u983b\u7e41\u306b\u5b9f\u884c\u3055\u308c\u308b\u8aad\u307f\u8fbc\u307f\u30af\u30a8\u30ea\u3092\u7279\u5b9a\u3059\u308b\u3002\u7d50\u5408\u306e\u6570\u304c\u591a\u3059\u304e\u308b\u306e\u3067\u306f\u306a\u3044\u304b\uff1f<\/li>\n<li><strong>\u73fe\u5728\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u5b9a\u3059\u308b\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u91cd\u8981\u306a\u30af\u30a8\u30ea\u306e\u73fe\u5728\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u628a\u63e1\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\uff1a<\/strong> \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u9069\u5207\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u66f8\u304d\u8fbc\u307f\u6642\u306b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u66f8\u304d\u8fbc\u307f\u8ca0\u8377\u306e\u30c6\u30b9\u30c8\uff1a<\/strong> \u30c7\u30ce\u30fc\u30de\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u6226\u7565\u304c\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u3092\u3042\u307e\u308a\u9045\u304f\u3057\u306a\u3044\u3088\u3046\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u540c\u671f\u306e\u8a08\u753b\uff1a<\/strong> \u30c7\u30fc\u30bf\u3092\u8907\u88fd\u3059\u308b\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u540c\u671f\u3092\u4fdd\u3061\u307e\u3059\u304b\uff1f\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u7570\u5e38\u306e\u76e3\u8996\uff1a<\/strong> \u30d1\u30fc\u30b7\u30e3\u30eb\u306a\u30c7\u30ce\u30fc\u30de\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u306e\u4e0d\u6574\u5408\u306b\u5bfe\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3064\u3044\u3066\u306e\u6700\u7d42\u7684\u306a\u8003\u5bdf \ud83c\udfd7\ufe0f<\/h2>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u7b2c\u4e09\u6b63\u898f\u5f62\u3092\u9054\u6210\u3059\u308b\u306b\u306f\u3001\u7e4a\u7d30\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u30b9\u30d4\u30fc\u30c9\u3068\u6574\u5408\u6027\u306e\u9593\u3067\u4e8c\u5143\u7684\u306a\u9078\u629e\u3092\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7d50\u5408\u306e\u30b3\u30b9\u30c8\u3092\u7406\u89e3\u3057\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3057\u3001\u9069\u5207\u306a\u5834\u9762\u3067\u9078\u629e\u7684\u306a\u30c7\u30ce\u30fc\u30de\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4fe1\u983c\u6027\u3068\u9ad8\u901f\u6027\u306e\u4e21\u65b9\u3092\u5099\u3048\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u6700\u826f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u3068\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5408\u81f4\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u6210\u9577\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u5b9a\u671f\u7684\u306bERD\u3068\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5fdc\u3053\u305d\u304c\u3001\u30c7\u30fc\u30bf\u7ba1\u7406\u306b\u304a\u3051\u308b\u9577\u671f\u7684\u6210\u529f\u306e\u9375\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308a\u5408\u3044\u3067&hellip;<\/p>\n","protected":false},"author":1,"featured_media":1555,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80","_yoast_wpseo_metadesc":"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[65],"tags":[80,84],"class_list":["post-1554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database-design","tag-academic","tag-erd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80<\/title>\n<meta name=\"description\" content=\"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80\" \/>\n<meta property=\"og:description\" content=\"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\" \/>\n<meta property=\"og:site_name\" content=\"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-25T05:10:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/person\/33c28d3655923323cf039801026316a1\"},\"headline\":\"ERD\u30ac\u30a4\u30c9\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u7b2c\u4e09\u6b63\u898f\u5f62\u3092\u9054\u6210\u3059\u308b\u65b9\u6cd5\",\"datePublished\":\"2026-03-25T05:10:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\"},\"wordCount\":38,\"publisher\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\",\"keywords\":[\"academic\",\"erd\"],\"articleSection\":[\"Database Design\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\",\"url\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\",\"name\":\"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80\",\"isPartOf\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\",\"datePublished\":\"2026-03-25T05:10:40+00:00\",\"description\":\"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage\",\"url\":\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\",\"contentUrl\":\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.ez-knowledge.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ERD\u30ac\u30a4\u30c9\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u7b2c\u4e09\u6b63\u898f\u5f62\u3092\u9054\u6210\u3059\u308b\u65b9\u6cd5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#website\",\"url\":\"https:\/\/www.ez-knowledge.com\/ja\/\",\"name\":\"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.ez-knowledge.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#organization\",\"name\":\"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation\",\"url\":\"https:\/\/www.ez-knowledge.com\/ja\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/ez-knowledge-logo.png\",\"contentUrl\":\"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/ez-knowledge-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation\"},\"image\":{\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/person\/33c28d3655923323cf039801026316a1\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.ez-knowledge.com\"],\"url\":\"https:\/\/www.ez-knowledge.com\/ja\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80","description":"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/","og_locale":"ja_JP","og_type":"article","og_title":"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80","og_description":"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002","og_url":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/","og_site_name":"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation","article_published_time":"2026-03-25T05:10:40+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"vpadmin"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#article","isPartOf":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/person\/33c28d3655923323cf039801026316a1"},"headline":"ERD\u30ac\u30a4\u30c9\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u7b2c\u4e09\u6b63\u898f\u5f62\u3092\u9054\u6210\u3059\u308b\u65b9\u6cd5","datePublished":"2026-03-25T05:10:40+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/"},"wordCount":38,"publisher":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/#organization"},"image":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg","keywords":["academic","erd"],"articleSection":["Database Design"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/","url":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/","name":"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b3NF\u3092\u9054\u6210\u3059\u308b \ud83d\ude80","isPartOf":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage"},"image":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg","datePublished":"2026-03-25T05:10:40+00:00","description":"\u7b2c\u4e09\u6b63\u898f\u5f62\u306e\u52b9\u7387\u7684\u306aERD\u306e\u8a2d\u8a08\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30af\u30a8\u30ea\u306e\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u6e08\u307e\u305b\u307e\u3059\u3002","breadcrumb":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#primaryimage","url":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg","contentUrl":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2026\/03\/third-normal-form-performance-balance-infographic.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.ez-knowledge.com\/ja\/achieving-third-normal-form-performance\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ez-knowledge.com\/ja\/"},{"@type":"ListItem","position":2,"name":"ERD\u30ac\u30a4\u30c9\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u305b\u305a\u306b\u7b2c\u4e09\u6b63\u898f\u5f62\u3092\u9054\u6210\u3059\u308b\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.ez-knowledge.com\/ja\/#website","url":"https:\/\/www.ez-knowledge.com\/ja\/","name":"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation","description":"","publisher":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ez-knowledge.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.ez-knowledge.com\/ja\/#organization","name":"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation","url":"https:\/\/www.ez-knowledge.com\/ja\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/logo\/image\/","url":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/ez-knowledge-logo.png","contentUrl":"https:\/\/www.ez-knowledge.com\/ja\/wp-content\/uploads\/sites\/4\/2025\/03\/ez-knowledge-logo.png","width":512,"height":512,"caption":"Ez Knowledge Japanese - Latest in AI &amp; Software Innovation"},"image":{"@id":"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.ez-knowledge.com\/ja\/#\/schema\/person\/33c28d3655923323cf039801026316a1","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.ez-knowledge.com"],"url":"https:\/\/www.ez-knowledge.com\/ja\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/posts\/1554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/comments?post=1554"}],"version-history":[{"count":0,"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/posts\/1554\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/media\/1555"}],"wp:attachment":[{"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/media?parent=1554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/categories?post=1554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ez-knowledge.com\/ja\/wp-json\/wp\/v2\/tags?post=1554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}