{"id":31389,"date":"2026-08-07T13:28:47","date_gmt":"2026-08-07T04:28:47","guid":{"rendered":"https:\/\/www.ripla.co.jp\/blog\/?p=31389"},"modified":"2026-08-09T14:11:50","modified_gmt":"2026-08-09T05:11:50","slug":"entity-framework-complete-guide","status":"publish","type":"post","link":"https:\/\/www.ripla.co.jp\/blog\/system\/entity-framework-complete-guide\/","title":{"rendered":"Entity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"\n

Entity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u3001C#\u306a\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3064\u306a\u3050ORM\u3092\u696d\u52d9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7d44\u307f\u8fbc\u307f\u3001\u753b\u9762\u30fbAPI\u30fb\u5e33\u7968\u30fb\u30d0\u30c3\u30c1\u307e\u3067\u4e00\u4f53\u3067\u52d5\u304b\u3059\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n

\u300cEntity Framework\u3092\u4f7f\u3048\u3070\u5b89\u304f\u65e9\u304f\u4f5c\u308c\u308b\u306e\u304b\u300d\u300cEF6\u3068EF Core\u306f\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b\u300d\u300c\u958b\u767a\u4f1a\u793e\u306b\u306f\u4f55\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3088\u3044\u304b\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u306b\u5411\u3051\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5168\u4f53\u50cf\u3001\u7a2e\u985e\u3001\u9032\u3081\u65b9\u3001\u8cbb\u7528\u76f8\u5834\u3001\u6027\u80fd\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u958b\u767a\u4f1a\u793e\u3084\u30d9\u30f3\u30c0\u30fc\u306e\u9078\u3073\u65b9\u307e\u3067\u3092\u307e\u3068\u3081\u307e\u3059\u3002\u6280\u8853\u540d\u3060\u3051\u3067\u5224\u65ad\u305b\u305a\u3001\u696d\u52d9\u8a2d\u8a08\u3084\u30c7\u30fc\u30bf\u79fb\u884c\u3001\u904b\u7528\u4fdd\u5b88\u307e\u3067\u542b\u3081\u3066\u767a\u6ce8\u306e\u5224\u65ad\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u25bc\u95a2\u9023\u8a18\u4e8b\u4e00\u89a7<\/strong>
\n\u30fbEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u9032\u3081\u65b9\/\u3084\u308a\u65b9\/\u6d41\u308c\u3084\u65b9\u6cd5\/\u624b\u6cd5\/\u5de5\u7a0b\/\u624b\u9806<\/a>
\n\u30fbEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3067\u304a\u3059\u3059\u3081\u306e\u958b\u767a\u4f1a\u793e\/\u30d9\u30f3\u30c0\u30fc6\u9078\u3068\u9078\u3073\u65b9<\/a>
\n\u30fbEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u898b\u7a4d\u76f8\u5834\u3084\u8cbb\u7528\/\u30b3\u30b9\u30c8\/\u5024\u6bb5\u306b\u3064\u3044\u3066<\/a>
\n\u30fbEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u767a\u6ce8\/\u5916\u6ce8\/\u4f9d\u983c\/\u59d4\u8a17\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/a><\/p>\n\n\n\n

Entity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h2>\n\n\n\n
\n
\n
\"Entity<\/figure>\n<\/div>\n<\/div>\n\n\n\n

\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001Entity Framework\u306f\u8ca9\u58f2\u7ba1\u7406\u3084\u9867\u5ba2\u7ba1\u7406\u304c\u5b8c\u6210\u3057\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3092\u62c5\u3046\u958b\u767a\u57fa\u76e4\u3067\u3042\u308a\u3001\u696d\u52d9\u30eb\u30fc\u30eb\u3084\u753b\u9762\u3001\u6a29\u9650\u3001\u5916\u90e8\u9023\u643a\u306a\u3069\u306f\u5225\u9014\u8a2d\u8a08\u30fb\u5b9f\u88c5\u3057\u307e\u3059\u3002\u3053\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u3068\u3001EF\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u524a\u6e1b\u3067\u304d\u308b\u4f5c\u696d\u3068\u3001\u524a\u6e1b\u3067\u304d\u306a\u3044\u8cbb\u7528\u3092\u5207\u308a\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\n

EF\u304c\u62c5\u5f53\u3059\u308b\u7bc4\u56f2\u3068\u62c5\u5f53\u3057\u306a\u3044\u7bc4\u56f2<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

EF\u304c\u4e3b\u306b\u62c5\u5f53\u3059\u308b\u306e\u306f\u3001C#\u306e\u30af\u30e9\u30b9\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u5bfe\u5fdc\u4ed8\u3051\u308b\u51e6\u7406\u3067\u3059\u3002\u9867\u5ba2\u3001\u5546\u54c1\u3001\u53d7\u6ce8\u3001\u8acb\u6c42\u3001\u5728\u5eab\u3068\u3044\u3063\u305f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u3001\u30c7\u30fc\u30bf\u306e\u691c\u7d22\u30fb\u767b\u9332\u30fb\u66f4\u65b0\u30fb\u524a\u9664\u3092C#\u306e\u30b3\u30fc\u30c9\u304b\u3089\u6271\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u3084\u5909\u66f4\u8ffd\u8de1\u3001\u95a2\u9023\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3001\u30b9\u30ad\u30fc\u30de\u5909\u66f4\u306e\u5c65\u6b74\u7ba1\u7406\u3082\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n

\u4e00\u65b9\u3001\u696d\u52d9\u30d5\u30ed\u30fc\u3092\u6c7a\u3081\u308b\u8981\u4ef6\u5b9a\u7fa9\u3001\u4f7f\u3044\u3084\u3059\u3044\u753b\u9762\u3001\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u3001\u5e33\u7968\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u9023\u643a\u3001\u76e3\u8996\u3084\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u306fEF\u306e\u5916\u5074\u306b\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u300cEF\u5bfe\u5fdc\u300d\u3068\u66f8\u304b\u308c\u3066\u3044\u3066\u3082\u3001\u305d\u308c\u3060\u3051\u3067\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u4efb\u305b\u3089\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u696d\u52d9\u7406\u89e3\u3001DB\u8a2d\u8a08\u3001\u30c6\u30b9\u30c8\u3001\u79fb\u884c\u3001\u904b\u7528\u307e\u3067\u306e\u4f53\u5236\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u57fa\u672c\u69cb\u6210\u3068\u30c7\u30fc\u30bf\u306e\u6d41\u308c<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u5178\u578b\u7684\u306a\u69cb\u6210\u306f\u3001\u5229\u7528\u8005\u304c\u64cd\u4f5c\u3059\u308bWeb\u753b\u9762\u3001\u696d\u52d9\u51e6\u7406\u3092\u307e\u3068\u3081\u308b\u30b5\u30fc\u30d3\u30b9\u5c64\u3001EF\u3092\u914d\u7f6e\u3059\u308b\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u56db\u5c64\u3067\u3059\u3002\u753b\u9762\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u6ce8\u6587\u5185\u5bb9\u3092\u30b5\u30fc\u30d3\u30b9\u5c64\u3067\u691c\u8a3c\u3057\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3078\u5909\u63db\u3057\u3066DbContext\u306b\u6e21\u3057\u3001LINQ\u3067\u691c\u7d22\u3084\u66f4\u65b0\u3092\u7d44\u307f\u7acb\u3066\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002API\u3001\u5e33\u7968\u3001\u30d0\u30c3\u30c1\u304c\u540c\u3058\u696d\u52d9\u30eb\u30fc\u30eb\u3068\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u5171\u6709\u3067\u304d\u308b\u305f\u3081\u3001\u51e6\u7406\u306e\u91cd\u8907\u3092\u6e1b\u3089\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e2d\u5fc3\u3068\u306a\u308bDbContext\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3068\u5909\u66f4\u8ffd\u8de1\u3092\u62c5\u3044\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e1\u5bfe\u591a\u30fb\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u306f\u30e2\u30c7\u30eb\u8a2d\u5b9a\u3067\u8868\u73fe\u3057\u3001Migrations\u3067\u30b9\u30ad\u30fc\u30de\u306e\u5909\u66f4\u5c65\u6b74\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001Migrations\u3092\u672c\u756a\u74b0\u5883\u3078\u7121\u691c\u8a3c\u3067\u9069\u7528\u3059\u308b\u3068\u3001\u5217\u5909\u66f4\u3084\u5927\u91cf\u30c7\u30fc\u30bf\u79fb\u884c\u3067\u505c\u6b62\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u751f\u6210\u3055\u308c\u305fSQL\u3068\u5b9f\u884c\u6642\u9593\u3092\u30ec\u30d3\u30e5\u30fc\u3057\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3084\u5207\u308a\u623b\u3057\u624b\u9806\u307e\u3067\u6e96\u5099\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n\n\n\n

Entity Framework\u306e\u7a2e\u985e\u3068\u9078\u3073\u65b9<\/strong><\/h2>\n\n\n\n
\n
\n
\"Entity<\/figure>\n<\/div>\n<\/div>\n\n\n\n

\u9078\u629e\u306e\u8ef8\u306f\u3001\u65e2\u5b58\u8cc7\u7523\u3068\u306e\u4e92\u63db\u6027\u3001\u65b0\u898f\u958b\u767a\u304b\u5237\u65b0\u304b\u3001\u5bfe\u8c61\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u30b5\u30dd\u30fc\u30c8\u671f\u9593\u3001\u30c1\u30fc\u30e0\u306e\u7d4c\u9a13\u3067\u3059\u3002\u7279\u306bEF6\u3068EF Core\u306f\u540d\u524d\u304c\u4f3c\u3066\u3044\u3066\u3082\u3001\u52d5\u4f5c\u3059\u308b\u5b9f\u884c\u57fa\u76e4\u3084API\u306e\u4e92\u63db\u6027\u304c\u540c\u4e00\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65b0\u3057\u3044\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u5c06\u6765\u306e\u66f4\u65b0\u3092\u898b\u636e\u3048\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u79fb\u884c\u30ea\u30b9\u30af\u3092\u898b\u7a4d\u3082\u3063\u3066\u6c7a\u3081\u307e\u3059\u3002<\/p>\n\n\n\n

\n

EF6\u3068EF Core\u306e\u9055\u3044<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

EF6\u306f\u5f93\u6765\u306e.NET Framework\u8cc7\u7523\u3067\u5229\u7528\u3055\u308c\u3066\u304d\u305f\u5b9f\u7e3e\u304c\u3042\u308a\u3001\u65e2\u5b58\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u5b88\u3059\u308b\u5834\u5408\u306e\u5019\u88dc\u306b\u306a\u308a\u307e\u3059\u3002EF Core\u306f\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e.NET\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5f8c\u7d99\u7cfb\u7d71\u3067\u3001\u8efd\u91cf\u306aWeb API\u3001\u30b3\u30f3\u30c6\u30ca\u3001Linux\u74b0\u5883\u306a\u3069\u3078\u5c55\u958b\u3057\u3084\u3059\u3044\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002\u65e2\u5b58\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u79fb\u305b\u308b\u3068\u306f\u9650\u3089\u305a\u3001\u975e\u540c\u671f\u51e6\u7406\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3001\u30af\u30a8\u30ea\u306e\u7ffb\u8a33\u3001\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306a\u3069\u3092\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

2025\u5e7411\u6708\u306b\u516c\u958b\u3055\u308c\u305fEF Core 10\u306fLTS\u3067\u30012028\u5e7411\u670810\u65e5\u307e\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001EF Core 10\u306f.NET 10 SDK\u3068\u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5fc5\u8981\u3068\u3057\u3001\u65e7.NET Framework\u3067\u306f\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3002\u65b0\u898f\u958b\u767a\u3067\u306f\u5019\u88dc\u306b\u3057\u3084\u3059\u3044\u4e00\u65b9\u3001\u65e2\u5b58\u74b0\u5883\u3067\u306f.NET\u306e\u66f4\u65b0\u3001\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u3001DB\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3001\u30c6\u30b9\u30c8\u5de5\u6570\u3092\u307e\u3068\u3081\u3066\u78ba\u8a8d\u3057\u307e\u3059\uff08\u51fa\u5178: EF Core 10\u516c\u5f0f\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u30012025\u5e74\uff09\u3002<\/p>\n\n\n\n

\n

Code First\u3068Database First\u306e\u4f7f\u3044\u5206\u3051<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u65b0\u898f\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u30c9\u30e1\u30a4\u30f3\u30e2\u30c7\u30eb\u3092\u8d77\u70b9\u306b\u8a2d\u8a08\u3059\u308b\u306a\u3089\u3001Code First\u3068Migrations\u304c\u5411\u3044\u3066\u3044\u307e\u3059\u3002C#\u306e\u30e2\u30c7\u30eb\u3068\u8a2d\u5b9a\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u7ba1\u7406\u3057\u3001\u30ec\u30d3\u30e5\u30fc\u3092\u901a\u3057\u305f\u5909\u66f4\u3092\u6bb5\u968e\u7684\u306bDB\u3078\u53cd\u6620\u3067\u304d\u307e\u3059\u3002\u696d\u52d9\u30eb\u30fc\u30eb\u306e\u5909\u66f4\u304c\u591a\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30e2\u30c7\u30eb\u3068\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u540c\u3058\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u7ba1\u7406\u3067\u304d\u308b\u3053\u3068\u304c\u5f15\u304d\u7d99\u304e\u306e\u52a9\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u3059\u3067\u306b\u5229\u7528\u4e2d\u306eDB\u304c\u6b63\u3067\u3001\u30c6\u30fc\u30d6\u30eb\u3084\u5236\u7d04\u3092\u5148\u306b\u7dad\u6301\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u306f\u3001Database First\u3084Scaffold\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u81ea\u52d5\u751f\u6210\u3057\u305f\u30af\u30e9\u30b9\u3092\u305d\u306e\u307e\u307e\u696d\u52d9\u30ed\u30b8\u30c3\u30af\u306b\u4f7f\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u90e8\u5206\u30af\u30e9\u30b9\u3084\u30b5\u30fc\u30d3\u30b9\u5c64\u3067\u8cac\u52d9\u3092\u6574\u7406\u3057\u307e\u3059\u3002\u3069\u3061\u3089\u306e\u65b9\u5f0f\u3067\u3082\u3001DB\u306e\u6b63\u898f\u5316\u3001\u547d\u540d\u898f\u5247\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u76e3\u67fb\u5217\u3001\u524a\u9664\u65b9\u91dd\u3092\u5148\u306b\u5408\u610f\u3059\u308b\u3053\u3068\u304c\u54c1\u8cea\u3092\u5de6\u53f3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

Entity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u9032\u3081\u65b9<\/strong><\/h2>\n\n\n\n
\n
\n
\"\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u9032\u884c\u30a4\u30e1\u30fc\u30b8\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

EF\u3092\u4f7f\u3046\u6848\u4ef6\u3067\u3082\u3001\u958b\u767a\u306e\u6210\u5426\u306f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u9078\u629e\u3088\u308a\u8981\u4ef6\u3068\u30c7\u30fc\u30bf\u306e\u6574\u7406\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u696d\u52d9\u30d5\u30ed\u30fc\u3068\u975e\u6a5f\u80fd\u8981\u4ef6\u3092\u5148\u306b\u5b9a\u7fa9\u3057\u3001\u30e2\u30c7\u30eb\u30fbSQL\u30fb\u753b\u9762\u3092\u5c0f\u3055\u304f\u691c\u8a3c\u3057\u306a\u304c\u3089\u3001\u79fb\u884c\u3068\u904b\u7528\u3092\u542b\u3080\u8a08\u753b\u3092\u7acb\u3066\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u767a\u6ce8\u6642\u306b\u6210\u679c\u7269\u3068\u3057\u3066\u78ba\u8a8d\u3057\u305f\u3044\u4e09\u3064\u306e\u6bb5\u968e\u306b\u5206\u3051\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u25b6 \u8a73\u7d30\u306f\u3053\u3061\u3089\uff1aEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u9032\u3081\u65b9\/\u3084\u308a\u65b9\/\u6d41\u308c\u3084\u65b9\u6cd5\/\u624b\u6cd5\/\u5de5\u7a0b\/\u624b\u9806<\/a><\/p>\n\n\n

\u8981\u4ef6\u5b9a\u7fa9\u30fb\u4f01\u753b\u30d5\u30a7\u30fc\u30ba<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u307e\u305a\u3001\u8ca9\u58f2\u30fb\u5728\u5eab\u30fb\u9867\u5ba2\u30fb\u7533\u8acb\u30fb\u8acb\u6c42\u306a\u3069\u306e\u696d\u52d9\u7bc4\u56f2\u3092\u3001\u73fe\u72b6\u3068\u3042\u308b\u3079\u304d\u59ff\u3067\u6574\u7406\u3057\u307e\u3059\u3002\u696d\u52d9\u30d5\u30ed\u30fc\u3001\u5165\u529b\u9805\u76ee\u3001\u72b6\u614b\u9077\u79fb\u3001\u6a29\u9650\u3001\u4fdd\u5b58\u671f\u9593\u3001\u5916\u90e8\u9023\u643a\u3001\u6708\u9593\u4ef6\u6570\u3001\u30d4\u30fc\u30af\u6642\u306e\u540c\u6642\u5229\u7528\u8005\u6570\u3092\u6c7a\u3081\u307e\u3059\u3002\u500b\u4eba\u60c5\u5831\u3084\u6a5f\u5bc6\u60c5\u5831\u3092\u6271\u3046\u5834\u5408\u306f\u3001\u8ab0\u304c\u4f55\u3092\u95b2\u89a7\u30fb\u5909\u66f4\u3057\u305f\u304b\u306e\u30ed\u30b0\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u5fa9\u65e7\u76ee\u6a19\u3001\u59d4\u8a17\u5148\u306e\u8cac\u4efb\u7bc4\u56f2\u3082\u8981\u4ef6\u306b\u542b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n

\u3053\u306e\u6bb5\u968e\u3067\u300cEF\u3092\u4f7f\u3046\u304b\u3089CRUD\u753b\u9762\u3092\u65e9\u304f\u4f5c\u308c\u308b\u300d\u3068\u8003\u3048\u3059\u304e\u308b\u3068\u3001\u5f8c\u304b\u3089\u696d\u52d9\u4f8b\u5916\u304c\u81a8\u3089\u307f\u307e\u3059\u3002\u6a19\u6e96\u5316\u3067\u304d\u308b\u30de\u30b9\u30bf\u7ba1\u7406\u3084\u901a\u77e5\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u30fbSaaS\u3067\u307e\u304b\u306a\u3044\u3001\u72ec\u81ea\u6027\u306e\u9ad8\u3044\u8a08\u7b97\u3084\u627f\u8a8d\u3060\u3051\u3092\u30b9\u30af\u30e9\u30c3\u30c1\u958b\u767a\u3059\u308b\u65b9\u6cd5\u3082\u6bd4\u8f03\u3057\u307e\u3059\u3002\u65b0\u898f\u958b\u767a\u3001\u65e2\u5b58.NET\u5237\u65b0\u3001\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u57fa\u5e79\u3001SaaS\u9023\u643a\u306e\u3069\u308c\u306b\u8fd1\u3044\u304b\u3092\u5206\u985e\u3059\u308b\u3068\u3001\u4e88\u7b97\u3068\u671f\u9593\u306e\u524d\u63d0\u3092\u5171\u6709\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u8a2d\u8a08\u30fb\u958b\u767a\u30d5\u30a7\u30fc\u30ba<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u57fa\u672c\u8a2d\u8a08\u3067\u306f\u3001\u753b\u9762\u3084API\u306e\u5883\u754c\u3001\u30b5\u30fc\u30d3\u30b9\u5c64\u306e\u8cac\u52d9\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u30c6\u30fc\u30d6\u30eb\u306e\u95a2\u4fc2\u3001\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u3001\u5916\u90e8\u9023\u643a\u65b9\u5f0f\u3092\u5b9a\u3081\u307e\u3059\u3002EF\u306e\u8a2d\u5b9a\u306fDbContext\u3078\u96c6\u4e2d\u3055\u305b\u3001\u696d\u52d9\u30ed\u30b8\u30c3\u30af\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3078\u76f4\u63a5\u66f8\u304b\u306a\u3044\u69cb\u6210\u306b\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u3068\u62c5\u5f53\u8005\u5909\u66f4\u304c\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u547d\u540d\u898f\u5247\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5883\u754c\u3001\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3001\u91d1\u984d\u30fb\u6570\u91cf\u306e\u7cbe\u5ea6\u3082\u8a2d\u8a08\u66f8\u306b\u6b8b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u5b9f\u88c5\u3067\u306f\u3001\u4ee3\u8868\u7684\u306a\u691c\u7d22\u3001\u767b\u9332\u3001\u66f4\u65b0\u3092\u5c0f\u3055\u306a\u7e26\u5207\u308a\u3067\u4f5c\u308a\u3001\u751f\u6210SQL\u3068\u5b9f\u884c\u8a08\u753b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002Include\u306e\u904e\u5270\u5229\u7528\u3001N+1\u30af\u30a8\u30ea\u3001\u5168\u4ef6\u53d6\u5f97\u3001\u30da\u30fc\u30b8\u30f3\u30b0\u4e0d\u8db3\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4e0d\u8db3\u306f\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u5897\u3048\u3066\u304b\u3089\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002\u6027\u80fd\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u96c6\u8a08\u3060\u3051\u306f\u3001\u30d3\u30e5\u30fc\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u8efd\u91cf\u306a\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u624b\u6bb5\u3092\u9650\u5b9a\u7684\u306b\u4f75\u7528\u3059\u308b\u306a\u3069\u3001\u51e6\u7406\u3054\u3068\u306b\u4f7f\u3044\u5206\u3051\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u30c6\u30b9\u30c8\u30fb\u79fb\u884c\u30fb\u30ea\u30ea\u30fc\u30b9\u30d5\u30a7\u30fc\u30ba<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

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Entity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u8cbb\u7528\u76f8\u5834\u3068\u5185\u8a33<\/strong><\/h2>\n\n\n\n
\n
\n
\"\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u8cbb\u7528\u3092\u691c\u8a0e\u3059\u308b\u30a4\u30e1\u30fc\u30b8\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

Entity Framework\u81ea\u4f53\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u305f\u3081\u3001\u901a\u5e38\u306fEF\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u6599\u304c\u5927\u304d\u306a\u8cbb\u7528\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e88\u7b97\u3092\u5de6\u53f3\u3059\u308b\u306e\u306f\u3001\u8981\u4ef6\u5b9a\u7fa9\u3001\u696d\u52d9\u30fbDB\u8a2d\u8a08\u3001\u753b\u9762\u3084API\u3001\u5916\u90e8\u9023\u643a\u3001\u30c7\u30fc\u30bf\u79fb\u884c\u3001\u6027\u80fd\u8a66\u9a13\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u6559\u80b2\u3001\u904b\u7528\u8a2d\u8a08\u3067\u3059\u3002\u6280\u8853\u540d\u3060\u3051\u3067\u5b89\u304f\u306a\u308b\u3068\u8003\u3048\u305a\u3001\u3069\u306e\u5de5\u7a0b\u3068\u6210\u679c\u7269\u304c\u898b\u7a4d\u306b\u542b\u307e\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u25b6 \u8a73\u7d30\u306f\u3053\u3061\u3089\uff1aEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u898b\u7a4d\u76f8\u5834\u3084\u8cbb\u7528\/\u30b3\u30b9\u30c8\/\u5024\u6bb5\u306b\u3064\u3044\u3066<\/a><\/p>\n\n\n

\u898f\u6a21\u5225\u306e\u521d\u671f\u8cbb\u7528\u3068\u958b\u767a\u671f\u9593<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

EF Core\u3092\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u5c64\u306b\u63a1\u7528\u3059\u308b\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u306e\u6982\u7b97\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u5c0f\u898f\u6a21PoC\u3084\u5358\u6a5f\u80fd\u306e\u793e\u5185CRUD\u306f150\u4e07\u301c500\u4e07\u5186\u3001\u671f\u9593\u306f1\u301c3\u304b\u6708\u304c\u76ee\u5b89\u3067\u3059\u3002\u90e8\u9580\u5411\u3051\u306e\u8ca9\u58f2\u30fb\u5728\u5eab\u30fb\u7533\u8acb\u30b7\u30b9\u30c6\u30e0\u306f500\u4e07\u301c1,500\u4e07\u5186\u30013\u301c8\u304b\u6708\u7a0b\u5ea6\u3067\u3059\u3002\u5168\u793e\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3084\u65e2\u5b58.NET\u5237\u65b0\u306f1,500\u4e07\u301c5,000\u4e07\u5186\u30016\u301c15\u304b\u6708\u7a0b\u5ea6\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u8907\u96d1\u306a\u9023\u643a\u3001\u5927\u91cf\u30c7\u30fc\u30bf\u3001\u8907\u6570\u62e0\u70b9\u300124\u6642\u9593\u904b\u7528\u3001\u9ad8\u53ef\u7528\u6027\u307e\u3067\u6c42\u3081\u308b\u57fa\u5e79\u7cfb\u3067\u306f\u30015,000\u4e07\u5186\u301c1\u5104\u5186\u8d85\u300112\u301c24\u304b\u6708\u4ee5\u4e0a\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306fEF\u5c02\u7528\u306e\u7d71\u8a08\u3067\u306f\u306a\u304f\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u4e00\u822c\u306e\u516c\u958b\u76f8\u5834\u3092\u3001EF\u6848\u4ef6\u306e\u5178\u578b\u7684\u306a\u69cb\u6210\u3078\u5f53\u3066\u306f\u3081\u305f\u63a8\u5b9a\u3067\u3059\u3002\u6a5f\u80fd\u6570\u3001\u30c7\u30fc\u30bf\u91cf\u3001\u5229\u7528\u8005\u6570\u3001\u54c1\u8cea\u8981\u6c42\u3067\u5927\u304d\u304f\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u91d1\u984d\u3060\u3051\u3067\u306a\u304f\u524d\u63d0\u6761\u4ef6\u3092\u4f75\u8a18\u3057\u307e\u3059\uff08\u51fa\u5178: \u56fd\u5185\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u8cbb\u7528\u306e\u516c\u958b\u76f8\u5834\u60c5\u5831\u30012026\u5e74\uff09\u3002<\/p>\n\n\n\n

\n

\u8cbb\u7528\u306e\u5185\u8a33\u3068\u30e9\u30f3\u30cb\u30f3\u30b0\u30b3\u30b9\u30c8<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u898b\u7a4d\u66f8\u306f\u300c\u958b\u767a\u4e00\u5f0f\u300d\u3067\u306f\u306a\u304f\u3001\u8981\u4ef6\u5b9a\u7fa9\u3001\u57fa\u672c\u30fb\u8a73\u7d30\u8a2d\u8a08\u3001\u74b0\u5883\u69cb\u7bc9\u3001\u5b9f\u88c5\u3001\u30c6\u30b9\u30c8\u3001\u79fb\u884c\u3001\u6559\u80b2\u3001\u30ea\u30ea\u30fc\u30b9\u306b\u5206\u3051\u307e\u3059\u3002\u76ee\u5b89\u3068\u3057\u3066\u3001\u8981\u4ef6\u5b9a\u7fa910\u301c15%\u3001\u8a2d\u8a08\u30fb\u74b0\u5883\u69cb\u7bc920\u301c25%\u3001\u5b9f\u88c545\u301c50%\u3001\u30c6\u30b9\u30c815\u301c20%\u7a0b\u5ea6\u3067\u6574\u7406\u3059\u308b\u3068\u3001\u3069\u3053\u306b\u8cbb\u7528\u304c\u639b\u304b\u308b\u304b\u3092\u6bd4\u8f03\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u6848\u4ef6\u306e\u96e3\u6613\u5ea6\u3067\u5909\u308f\u308b\u305f\u3081\u3001\u6bd4\u7387\u3092\u56fa\u5b9a\u4fa1\u683c\u306e\u6839\u62e0\u306b\u3057\u306a\u3044\u3053\u3068\u304c\u5927\u5207\u3067\u3059\uff08\u51fa\u5178: \u30c7\u30b8\u30bf\u30eb\u5e81\u306e\u30b7\u30b9\u30c6\u30e0\u8abf\u9054\u30fb\u6a19\u6e96\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u95a2\u9023\u8cc7\u6599\u30012025\u5e74\uff09\u3002<\/p>\n\n\n\n

\u4fdd\u5b88\u30fb\u904b\u7528\u306f\u3001\u521d\u671f\u958b\u767a\u8cbb\u306e\u5e7415\u301c25%\u3092\u3072\u3068\u3064\u306e\u691c\u8a0e\u76ee\u5b89\u306b\u3057\u3001\u76e3\u8996\u3001\u969c\u5bb3\u5bfe\u5fdc\u3001\u8106\u5f31\u6027\u5bfe\u5fdc\u3001.NET\u3068EF\u306e\u66f4\u65b0\u3001DB\u3084\u30af\u30e9\u30a6\u30c9\u306e\u5229\u7528\u6599\u3001\u6cd5\u6539\u6b63\u5bfe\u5fdc\u3092\u542b\u3080\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3067\u306f\u3001\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u78ba\u8a8d\u3060\u3051\u3067\u306a\u304f\u3001Migrations\u306e\u9069\u7528\u3001\u751f\u6210SQL\u3001\u5b9f\u884c\u8a08\u753b\u3001\u6027\u80fd\u3001\u30c7\u30fc\u30bf\u4e92\u63db\u6027\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u6708\u984d\u4fdd\u5b88\u304c\u5b89\u304f\u3066\u3082\u3001\u969c\u5bb3\u6642\u306e\u53d7\u4ed8\u6642\u9593\u3084\u5bfe\u5fdc\u7bc4\u56f2\u304c\u9650\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u5225\u8cbb\u7528\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u6027\u80fd\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u904b\u7528\u3067\u5931\u6557\u3057\u306a\u3044\u30dd\u30a4\u30f3\u30c8<\/strong><\/h2>\n\n\n\n
\n
\n
\"\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u80fd\u3068\u5b89\u5168\u6027\u3092\u78ba\u8a8d\u3059\u308b\u30a4\u30e1\u30fc\u30b8\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

ORM\u306f\u958b\u767a\u3092\u52b9\u7387\u5316\u3057\u307e\u3059\u304c\u3001SQL\u3092\u610f\u8b58\u3057\u306a\u304f\u3066\u3088\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u696d\u52d9\u30c7\u30fc\u30bf\u304c\u5897\u3048\u305f\u3068\u304d\u306b\u540c\u3058\u30af\u30a8\u30ea\u304c\u901a\u7528\u3059\u308b\u304b\u3001\u691c\u7d22\u6761\u4ef6\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u3042\u308b\u304b\u3001\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u4f55\u56de\u53d6\u5f97\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u958b\u767a\u74b0\u5883\u306e\u5c11\u91cf\u30c7\u30fc\u30bf\u3060\u3051\u3067\u5224\u65ad\u305b\u305a\u3001\u672c\u756a\u60f3\u5b9a\u306e\u4ef6\u6570\u3068\u540c\u6642\u5229\u7528\u8005\u6570\u3067\u6027\u80fd\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\n

LINQ\u3068SQL\u306e\u6027\u80fd\u3092\u7ba1\u7406\u3059\u308b<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u3088\u304f\u3042\u308b\u554f\u984c\u306f\u3001\u95a2\u9023\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u4f55\u5ea6\u3082\u53d6\u308a\u306b\u884c\u304fN+1\u30af\u30a8\u30ea\u3001\u5fc5\u8981\u4ee5\u4e0a\u306e\u5217\u3084\u884c\u3092\u53d6\u5f97\u3059\u308b\u5168\u4ef6\u8aad\u307f\u8fbc\u307f\u3001Include\u306e\u91cd\u306d\u3059\u304e\u3001\u30da\u30fc\u30b8\u30f3\u30b0\u306e\u6b20\u5982\u3067\u3059\u3002\u5bfe\u7b56\u3068\u3057\u3066\u3001\u5fc5\u8981\u306a\u9805\u76ee\u3060\u3051\u3092\u6295\u5f71\u3057\u3001\u30da\u30fc\u30b8\u30b5\u30a4\u30ba\u3068\u4e26\u3073\u9806\u3092\u56fa\u5b9a\u3057\u3001\u751f\u6210\u3055\u308c\u305fSQL\u3068\u5b9f\u884c\u8a08\u753b\u3092\u30ed\u30b0\u3067\u8ffd\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u8907\u96d1\u306a\u96c6\u8a08\u3084\u5927\u91cf\u66f4\u65b0\u306f\u3001EF\u306e\u8868\u73fe\u529b\u3060\u3051\u3067\u7121\u7406\u306b\u66f8\u304b\u305a\u3001\u691c\u8a3c\u6e08\u307f\u306eSQL\u3084DB\u5074\u306e\u6a5f\u80fd\u3092\u9650\u5b9a\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30af\u30a8\u30ea\u306e\u6539\u5584\u306f\u300c\u901f\u304f\u306a\u3063\u305f\u6c17\u304c\u3059\u308b\u300d\u3067\u306f\u306a\u304f\u3001\u4ee3\u8868\u7684\u306a\u30c7\u30fc\u30bf\u91cf\u3001P95\u306a\u3069\u306e\u5fdc\u7b54\u6642\u9593\u3001\u540c\u6642\u5b9f\u884c\u6570\u3001DB CPU\u3001\u30ed\u30c3\u30af\u5f85\u3061\u3092\u57fa\u6e96\u306b\u5224\u5b9a\u3057\u307e\u3059\u3002EF\u306e\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u6319\u52d5\u3082\u542b\u3081\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u66f4\u65b0\u524d\u5f8c\u3067\u6027\u80fd\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u6027\u80fd\u8981\u4ef6\u3092\u6570\u5024\u5316\u3057\u3066\u5951\u7d04\u66f8\u3084\u53d7\u5165\u6761\u4ef6\u306b\u66f8\u304f\u3068\u3001\u7d0d\u54c1\u5f8c\u306e\u8a8d\u8b58\u9055\u3044\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p>\n\n\n\n

\n

SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3068\u904b\u7528\u4e0a\u306e\u5b89\u5168\u5bfe\u7b56<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

EF\u306eLINQ\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u5316\u3055\u308c\u305fSQL\u306f\u3001\u5165\u529b\u5024\u3092SQL\u6587\u306e\u69cb\u9020\u3068\u5206\u96e2\u3059\u308b\u305f\u3081\u306e\u6709\u52b9\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u52d5\u7684\u306a\u5217\u540d\u3084\u30c6\u30fc\u30d6\u30eb\u540d\u3092\u6587\u5b57\u5217\u9023\u7d50\u3059\u308bRaw SQL\u307e\u3067\u81ea\u52d5\u3067\u5b89\u5168\u306b\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5229\u7528\u8005\u306e\u5165\u529b\u3092SQL\u3078\u76f4\u63a5\u9023\u7d50\u305b\u305a\u3001\u52d5\u7684\u6761\u4ef6\u304c\u5fc5\u8981\u306a\u3089\u8a31\u53ef\u30ea\u30b9\u30c8\u3067\u5217\u540d\u3092\u56fa\u5b9a\u3057\u3001\u5024\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u6e21\u3057\u307e\u3059\uff08\u51fa\u5178: IPA\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9\u300d\u30012024\u5e74\u6539\u8a02\u60c5\u5831\uff09\u3002<\/p>\n\n\n\n

DB\u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u51e6\u7406\u306b\u5fc5\u8981\u306a\u6700\u5c0f\u6a29\u9650\u306b\u9650\u5b9a\u3057\u3001DB\u306e\u8a73\u7d30\u30a8\u30e9\u30fc\u3092\u5229\u7528\u8005\u3078\u8868\u793a\u3057\u306a\u3044\u8a2d\u8a08\u306b\u3057\u307e\u3059\u3002\u500b\u4eba\u60c5\u5831\u3092\u6271\u3046\u5834\u5408\u306f\u3001\u901a\u4fe1\u30fb\u4fdd\u5b58\u6642\u306e\u6697\u53f7\u5316\u3001\u7ba1\u7406\u8005\u6a29\u9650\u306e\u5206\u96e2\u3001\u30a2\u30af\u30bb\u30b9\u30fb\u64cd\u4f5c\u30ed\u30b0\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u6697\u53f7\u5316\u3068\u5fa9\u5143\u30c6\u30b9\u30c8\u3001\u59d4\u8a17\u5148\u7ba1\u7406\u3001\u6f0f\u3048\u3044\u6642\u306e\u9023\u7d61\u624b\u9806\u307e\u3067\u5b9a\u3081\u307e\u3059\u3002\u904b\u7528\u958b\u59cb\u5f8c\u306b\u8ab0\u304c\u30d1\u30c3\u30c1\u9069\u7528\u3084\u8106\u5f31\u6027\u78ba\u8a8d\u3092\u3059\u308b\u306e\u304b\u3092\u3001\u62c5\u5f53\u8868\u3068SLA\u3078\u843d\u3068\u3057\u8fbc\u3080\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

Entity Framework\u306e\u958b\u767a\u4f1a\u793e\u30fb\u30d9\u30f3\u30c0\u30fc\u306e\u9078\u3073\u65b9<\/strong><\/h2>\n\n\n\n
\n
\n
\"\u958b\u767a\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u6bd4\u8f03\u3059\u308b\u30a4\u30e1\u30fc\u30b8\"<\/figure>\n<\/div>\n<\/div>\n\n\n\n

\u958b\u767a\u4f1a\u793e\u3092\u9078\u3076\u3068\u304d\u306f\u3001\u300cC#\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u304b\u300d\u3060\u3051\u3067\u306a\u304f\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3057\u3001DB\u30fb\u6027\u80fd\u30fb\u79fb\u884c\u30fb\u904b\u7528\u307e\u3067\u8cac\u4efb\u3092\u6301\u3066\u308b\u304b\u3092\u898b\u307e\u3059\u3002\u6280\u8853\u540d\u306e\u7f85\u5217\u3084\u904e\u53bb\u306e\u5c0e\u5165\u793e\u6570\u3060\u3051\u3067\u306f\u3001\u81ea\u793e\u306e\u696d\u52d9\u3084\u30c7\u30fc\u30bf\u91cf\u306b\u5408\u3046\u304b\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002\u63d0\u6848\u6642\u306e\u8cea\u554f\u3068\u6210\u679c\u7269\u3092\u63c3\u3048\u3001\u8907\u6570\u306e\u5019\u88dc\u3092\u540c\u3058\u6761\u4ef6\u3067\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u6280\u8853\u529b\u3068\u696d\u52d9\u7406\u89e3\u3092\u78ba\u8a8d\u3059\u308b\u8cea\u554f<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u307e\u305a\u3001EF6\u3068EF Core\u306e\u3069\u3061\u3089\u3092\u3001\u3069\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3001\u306a\u305c\u63a1\u7528\u3059\u308b\u306e\u304b\u3092\u805e\u304d\u307e\u3059\u3002\u6b21\u306b\u3001\u5bfe\u8c61DB\u3068\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u5b9f\u7e3e\u3001Code First\u3068Database First\u306e\u7d4c\u9a13\u3001Migrations\u306e\u30ec\u30d3\u30e5\u30fc\u30fb\u9069\u7528\u65b9\u6cd5\u3001\u751f\u6210SQL\u306e\u6027\u80fd\u691c\u8a3c\u3001N+1\u3084\u540c\u6642\u5b9f\u884c\u5236\u5fa1\u3078\u306e\u5bfe\u7b56\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u516c\u958b\u4e8b\u4f8b\u304c\u3042\u308b\u5834\u5408\u3082\u3001\u753b\u9762\u3092\u4f5c\u3063\u305f\u3060\u3051\u306a\u306e\u304b\u3001\u8981\u4ef6\u5b9a\u7fa9\u304b\u3089\u4fdd\u5b88\u307e\u3067\u62c5\u3063\u305f\u306e\u304b\u3092\u5206\u3051\u3066\u805e\u304f\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n\n\n\n

\u696d\u52d9\u7406\u89e3\u306f\u3001\u521d\u56de\u63d0\u6848\u3067\u3069\u308c\u3060\u3051\u5177\u4f53\u7684\u306a\u8cea\u554f\u304c\u51fa\u308b\u304b\u306b\u8868\u308c\u307e\u3059\u3002\u58f2\u4e0a\u3084\u5728\u5eab\u306e\u78ba\u5b9a\u30bf\u30a4\u30df\u30f3\u30b0\u3001\u53d6\u6d88\u30fb\u8fd4\u54c1\u3001\u7de0\u3081\u51e6\u7406\u3001\u6a29\u9650\u5206\u96e2\u3001\u76e3\u67fb\u8a3c\u8de1\u3001\u65e2\u5b58\u30c7\u30fc\u30bf\u306e\u54c1\u8cea\u3092\u78ba\u8a8d\u3057\u306a\u3044\u63d0\u6848\u306f\u3001\u5f8c\u5de5\u7a0b\u3067\u8ffd\u52a0\u8cbb\u7528\u306b\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u6280\u8853\u62c5\u5f53\u3060\u3051\u3067\u306a\u304f\u3001\u696d\u52d9\u8a2d\u8a08\u3068\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u7ba1\u7406\u3092\u62c5\u3046\u62c5\u5f53\u8005\u304c\u540c\u5e2d\u3059\u308b\u304b\u3082\u898b\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u898b\u7a4d\u30fb\u5951\u7d04\u30fb\u5f15\u304d\u7d99\u304e\u306e\u78ba\u8a8d<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u898b\u7a4d\u306f\u3001\u8981\u4ef6\u5b9a\u7fa9\u3001\u8a2d\u8a08\u3001\u958b\u767a\u3001\u30c6\u30b9\u30c8\u3001\u79fb\u884c\u3001\u6559\u80b2\u3001\u904b\u7528\u8a2d\u8a08\u3092\u5206\u3051\u3001\u753b\u9762\u6570\u3084API\u6570\u3060\u3051\u3067\u306a\u304f\u3001\u30c7\u30fc\u30bf\u79fb\u884c\u4ef6\u6570\u3001\u9023\u643a\u5148\u3001\u6027\u80fd\u8a66\u9a13\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a3a\u65ad\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u660e\u8a18\u3057\u307e\u3059\u3002\u6e96\u59d4\u4efb\u304b\u8acb\u8ca0\u304b\u3001\u4ed5\u69d8\u5909\u66f4\u306e\u6271\u3044\u3001\u691c\u53ce\u6761\u4ef6\u3001\u9045\u5ef6\u6642\u306e\u9023\u7d61\u3001\u969c\u5bb3\u6642\u306e\u5bfe\u5fdc\u6642\u9593\u3001\u6708\u984d\u4fdd\u5b88\u306e\u7bc4\u56f2\u3082\u5951\u7d04\u524d\u306b\u63c3\u3048\u307e\u3059\u3002\u5b89\u3044\u7dcf\u984d\u3060\u3051\u3067\u306a\u304f\u3001\u9664\u5916\u9805\u76ee\u3068\u8ffd\u52a0\u5358\u4fa1\u3092\u6bd4\u3079\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

\u5c06\u6765\u306e\u62c5\u5f53\u8005\u5909\u66f4\u3084\u5185\u88fd\u5316\u306b\u5099\u3048\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3001DB\u30b9\u30ad\u30fc\u30de\u3001ER\u56f3\u3001Migrations\u3001CI\/CD\u8a2d\u5b9a\u3001\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3001\u74b0\u5883\u5909\u6570\u4e00\u89a7\u3001\u76e3\u8996\u8a2d\u5b9a\u3001\u969c\u5bb3\u5bfe\u5fdc\u624b\u9806\u3092\u7d0d\u54c1\u5bfe\u8c61\u306b\u3057\u307e\u3059\u3002\u77e5\u7684\u8ca1\u7523\u6a29\u3084\u518d\u59d4\u8a17\u5148\u3001\u30ea\u30dd\u30b8\u30c8\u30ea\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002\u62c5\u5f53\u8005\u3057\u304b\u5206\u304b\u3089\u306a\u3044\u624b\u52d5\u4f5c\u696d\u3092\u6b8b\u3055\u305a\u3001\u5225\u306e\u6280\u8853\u8005\u304c\u518d\u73fe\u3067\u304d\u308b\u72b6\u614b\u3092\u53d7\u5165\u6761\u4ef6\u306b\u3059\u308b\u3068\u3001\u4fdd\u5b88\u8cbb\u3068\u79fb\u884c\u30ea\u30b9\u30af\u3092\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n

\u25b6 \u8a73\u7d30\u306f\u3053\u3061\u3089\uff1aEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3067\u304a\u3059\u3059\u3081\u306e\u958b\u767a\u4f1a\u793e\/\u30d9\u30f3\u30c0\u30fc6\u9078\u3068\u9078\u3073\u65b9<\/a><\/p>\n\n

\u25b6 \u8a73\u7d30\u306f\u3053\u3061\u3089\uff1aEntity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u767a\u6ce8\/\u5916\u6ce8\/\u4f9d\u983c\/\u59d4\u8a17\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/a><\/p>\n\n\n

\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/strong><\/h2>\n\n\n\n
\n
\n
\"Entity<\/figure>\n<\/div>\n<\/div>\n\n\n\n

\u6700\u5f8c\u306b\u3001\u5c0e\u5165\u524d\u306b\u3088\u304f\u5bc4\u305b\u3089\u308c\u308b\u7591\u554f\u3078\u56de\u7b54\u3057\u307e\u3059\u3002\u8cbb\u7528\u3084\u958b\u767a\u671f\u9593\u306f\u8981\u4ef6\u3067\u5909\u308f\u308a\u307e\u3059\u304c\u3001\u5224\u65ad\u306e\u57fa\u6e96\u3092\u5148\u306b\u6301\u3064\u3068\u3001\u63d0\u6848\u5185\u5bb9\u306e\u6bd4\u8f03\u304c\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\n

Entity Framework\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u6599\u306f\u304b\u304b\u308a\u307e\u3059\u304b\uff1f<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

EF\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u305f\u3081\u3001\u901a\u5e38\u306fEF\u305d\u306e\u3082\u306e\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u8cfc\u5165\u8cbb\u3092\u898b\u8fbc\u3080\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u958b\u767a\u8005\u306e\u5de5\u6570\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u5b9f\u884c\u74b0\u5883\u3001\u76e3\u8996\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u4fdd\u5b88\u66f4\u65b0\u306b\u306f\u8cbb\u7528\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u30e9\u30a4\u30bb\u30f3\u30b9\u6599\u304c\u7121\u6599\u3067\u3082\u3001\u696d\u52d9\u8981\u4ef6\u3084\u975e\u6a5f\u80fd\u8981\u4ef6\u307e\u3067\u7121\u6599\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\n

\u65b0\u898f\u958b\u767a\u3067\u306fEF6\u3068EF Core\u306e\u3069\u3061\u3089\u3092\u9078\u3079\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u65b0\u898f\u958b\u767a\u3067\u306f\u3001\u30b5\u30dd\u30fc\u30c8\u671f\u9593\u3068\u5c06\u6765\u306e\u5b9f\u884c\u74b0\u5883\u3092\u78ba\u8a8d\u3057\u305f\u3046\u3048\u3067\u3001EF Core\u3092\u7b2c\u4e00\u5019\u88dc\u306b\u3057\u307e\u3059\u3002\u65e2\u5b58\u306e.NET Framework\u8cc7\u7523\u3092\u77ed\u671f\u9593\u3067\u7dad\u6301\u3059\u308b\u5834\u5408\u306fEF6\u304c\u5408\u7406\u7684\u306a\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u79fb\u884c\u53ef\u80fd\u6027\u3001\u30c6\u30b9\u30c8\u5de5\u6570\u3001DB\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3001\u62c5\u5f53\u8005\u306e\u7d4c\u9a13\u3092\u6bd4\u8f03\u3057\u3066\u6c7a\u3081\u307e\u3059\u3002\u540d\u524d\u306e\u65b0\u3057\u3055\u3060\u3051\u3067\u306a\u304f\u30015\u5e74\u7a0b\u5ea6\u306e\u66f4\u65b0\u8a08\u753b\u3092\u542b\u3081\u3066\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u65e2\u5b58\u306e.NET\u3084\u53e4\u3044DB\u3092EF Core\u3078\u79fb\u884c\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u79fb\u884c\u3067\u304d\u308b\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u30b3\u30fc\u30c9\u3092\u4e00\u62ec\u5909\u63db\u3059\u308c\u3070\u5b8c\u4e86\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u8a8d\u8a3c\u3001\u753b\u9762\u3001\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u3001DB\u65b9\u8a00\u3001\u30af\u30a8\u30ea\u306e\u7ffb\u8a33\u3001\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3001\u5e33\u7968\u3001\u30d0\u30c3\u30c1\u3092\u68da\u5378\u3057\u3057\u3001\u4ee3\u8868\u6a5f\u80fd\u3067\u5c0f\u3055\u306a\u79fb\u884c\u691c\u8a3c\u3092\u884c\u3044\u307e\u3059\u3002\u5168\u4f53\u3092\u4e00\u5ea6\u306b\u5207\u308a\u66ff\u3048\u308b\u3088\u308a\u3001\u8aad\u307f\u53d6\u308a\u7cfb\u3084\u5468\u8fba\u6a5f\u80fd\u304b\u3089\u6bb5\u968e\u79fb\u884c\u3057\u3001\u30c7\u30fc\u30bf\u7167\u5408\u3068\u5207\u308a\u623b\u3057\u6761\u4ef6\u3092\u6301\u3064\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n\n\n\n

\u307e\u3068\u3081<\/strong><\/h2>\n\n\n\n
\n
\n
\"Entity<\/figure>\n<\/div>\n<\/div>\n\n\n\n

Entity Framework\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001EF\u3092\u7d44\u307f\u8fbc\u3081\u3070\u5b8c\u6210\u3059\u308b\u88fd\u54c1\u3067\u306f\u306a\u304f\u3001\u696d\u52d9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u3092\u52b9\u7387\u5316\u3059\u308b\u958b\u767a\u57fa\u76e4\u3067\u3059\u3002EF6\u3068EF Core\u3001\u65b0\u898f\u304b\u65e2\u5b58\u5237\u65b0\u304b\u3001Code First\u304bDatabase First\u304b\u3092\u3001\u5b9f\u884c\u74b0\u5883\u3068\u30c7\u30fc\u30bf\u306e\u73fe\u5b9f\u306b\u5408\u308f\u305b\u3066\u9078\u3073\u307e\u3059\u3002<\/p>\n\n\n\n

\n

\u6210\u529f\u306e\u305f\u3081\u306b\u62bc\u3055\u3048\u308b\u4e09\u3064\u306e\u8996\u70b9<\/strong><\/strong><\/strong><\/h3>\n<\/div>\n\n\n\n

\u7b2c\u4e00\u306b\u3001\u8cbb\u7528\u306fEF\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u3067\u306f\u306a\u304f\u3001\u8981\u4ef6\u5b9a\u7fa9\u3001\u696d\u52d9\u30fbDB\u8a2d\u8a08\u3001\u9023\u643a\u3001\u30c6\u30b9\u30c8\u3001\u79fb\u884c\u3001\u904b\u7528\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u7b2c\u4e8c\u306b\u3001\u6027\u80fd\u3068\u5b89\u5168\u6027\u306f\u81ea\u52d5\u7684\u306b\u4fdd\u8a3c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u751f\u6210SQL\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u5316\u3001\u6700\u5c0f\u6a29\u9650\u3001\u76e3\u8996\u3092\u8a2d\u8a08\u3078\u5165\u308c\u307e\u3059\u3002\u7b2c\u4e09\u306b\u3001\u958b\u767a\u4f1a\u793e\u3084\u30d9\u30f3\u30c0\u30fc\u306f\u3001EF\u306e\u7d4c\u9a13\u3060\u3051\u3067\u306a\u304f\u3001\u696d\u52d9\u7406\u89e3\u3001\u73fe\u884c\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u66f4\u65b0\u529b\u3001\u6210\u679c\u7269\u306e\u5f15\u304d\u7d99\u304e\u307e\u3067\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u767a\u6ce8\u524d\u306b\u306f\u3001\u5bfe\u8c61\u696d\u52d9\u3001\u5229\u7528\u8005\u6570\u3001\u30c7\u30fc\u30bf\u91cf\u3001\u9023\u643a\u5148\u3001\u5fa9\u65e7\u76ee\u6a19\u3001\u79fb\u884c\u7bc4\u56f2\u3001\u4fdd\u5b88\u6642\u9593\u3092\u4e00\u679a\u306b\u6574\u7406\u3057\u307e\u3059\u3002\u305d\u306e\u3046\u3048\u3067\u3001EF Core\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3001SQL\u30ec\u30d3\u30e5\u30fc\u3001Migrations\u7ba1\u7406\u3001\u6027\u80fd\u8a66\u9a13\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u5f15\u304d\u6e21\u3057\u3001\u969c\u5bb3\u6642\u306eSLA\u3092RFP\u3078\u8a18\u8f09\u3057\u307e\u3059\u3002\u6280\u8853\u306e\u63a1\u7528\u3092\u76ee\u7684\u306b\u305b\u305a\u3001\u696d\u52d9\u3092\u5b89\u5b9a\u3057\u3066\u904b\u7528\u3067\u304d\u308b\u72b6\u614b\u3092\u6210\u679c\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3001\u9577\u671f\u7684\u306a\u6210\u529f\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\n

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