`WHEN NOT MATCHED THEN …`<\/strong><\/td>\n| `ON`\u53e5\u306e\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u300c\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\u300d\u306b\u5b58\u5728\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u901a\u5e38\u306f`INSERT`\u6587\u304c\u7d9a\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u3053\u306e\u69cb\u6587\u306b\u3088\u3063\u3066\u3001\u300c`USING`\u3067\u6307\u5b9a\u3057\u305f\u5143\u30c7\u30fc\u30bf\u3092\u3001`ON`\u306e\u6761\u4ef6\u3067`INTO`\u3067\u6307\u5b9a\u3057\u305f\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\u3068\u7167\u5408\u3057\u3001`MATCHED`\u306a\u3089`UPDATE`\u3001`NOT MATCHED`\u306a\u3089`INSERT`\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u4e00\u9023\u306e\u6d41\u308c\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n \u5b9f\u8df5\u7684\u306a\u4f7f\u3044\u65b9\uff5c\u5546\u54c1\u30de\u30b9\u30bf\u306e\u66f4\u65b0\u3092MERGE\u6587\u3067\u5b9f\u884c\u3059\u308b\u5177\u4f53\u4f8b<\/h2>\n\u6982\u5ff5\u3084\u69cb\u6587\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u5b9f\u969b\u306e\u696d\u52d9\u3092\u60f3\u5b9a\u3057\u305f\u5177\u4f53\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001\u300c\u5546\u54c1\u30de\u30b9\u30bf\u300d\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u3001\u65e5\u6b21\u3067\u9023\u643a\u3055\u308c\u308b\u300c\u66f4\u65b0\u7528\u30c7\u30fc\u30bf\u300d\u3092\u4f7f\u3063\u3066\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u884c\u3046\u30b7\u30ca\u30ea\u30aa\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n \u30b7\u30ca\u30ea\u30aa<\/strong>:
\nEC\u30b5\u30a4\u30c8\u306e\u5546\u54c1\u30de\u30b9\u30bf\uff08`products`\uff09\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u6bce\u65e5\u3001\u5225\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u5909\u66f4\u304c\u3042\u3063\u305f\u5546\u54c1\u306e\u60c5\u5831\uff08`update_data`\uff09\u304c\u9023\u643a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u3001\u5546\u54c1\u30de\u30b9\u30bf\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3061\u307e\u3059\u3002<\/p>\n\n- \u65e2\u5b58\u5546\u54c1\u306e\u60c5\u5831\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408<\/strong>: \u4fa1\u683c\u3084\u5728\u5eab\u6570\u3092\u66f4\u65b0\u3057\u305f\u3044 (UPDATE)<\/li>\n
- \u65b0\u5546\u54c1\u304c\u8ffd\u52a0\u3055\u308c\u305f\u5834\u5408<\/strong>: \u30de\u30b9\u30bf\u306b\u65b0\u898f\u767b\u9332\u3057\u305f\u3044 (INSERT)<\/li>\n<\/ul>\n
1. \u30c6\u30fc\u30d6\u30eb\u306e\u72b6\u614b\uff08MERGE\u5b9f\u884c\u524d\uff09<\/h4>\n\u307e\u305a\u3001\u73fe\u5728\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n \u25bc `products`\uff08\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\uff09<\/strong><\/p>\n\n\n\n| product_id<\/th>\n | product_name<\/th>\n | price<\/th>\n | stock<\/th>\n<\/tr>\n<\/thead>\n | \n\n| P001<\/td>\n | \u30b9\u30fc\u30d1\u30fc\u30dc\u30fc\u30eb<\/td>\n | 100<\/td>\n | 200<\/td>\n<\/tr>\n | \n| P002<\/td>\n | \u3051\u3057\u30b4\u30e0<\/td>\n | 80<\/td>\n | 500<\/td>\n<\/tr>\n | \n| P003<\/td>\n | \u3048\u3093\u3074\u3064<\/td>\n | 60<\/td>\n | 800<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u25bc `update_data`\uff08\u5143\u30c7\u30fc\u30bf\uff09<\/strong><\/p>\n\n\n\n| product_id<\/th>\n | product_name<\/th>\n | price<\/th>\n | stock<\/th>\n<\/tr>\n<\/thead>\n | \n\n| P002<\/td>\n | \u3051\u3057\u30b4\u30e0NEO<\/td>\n | 90<\/td>\n | 450<\/td>\n<\/tr>\n | \n| P004<\/td>\n | \u5b9a\u898f<\/td>\n | 120<\/td>\n | 300<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u3053\u306e\u5143\u30c7\u30fc\u30bf\u3092\u898b\u308b\u3068\u3001`P002`\u306f`products`\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308b<\/strong>\u305f\u3081`UPDATE`\u5bfe\u8c61\u3001`P004`\u306f\u5b58\u5728\u3057\u306a\u3044<\/strong>\u305f\u3081`INSERT`\u5bfe\u8c61\u3068\u306a\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n2. MERGE\u6587\u306e\u5b9f\u884c<\/h4>\n\u3053\u306e\u51e6\u7406\u3092\u884c\u3046`MERGE`\u6587\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n MERGE INTO products T\nUSING update_data S\nON (T.product_id = S.product_id)\nWHEN MATCHED THEN\n UPDATE SET \n T.product_name = S.product_name,\n T.price = S.price,\n T.stock = S.stock\nWHEN NOT MATCHED THEN\n INSERT (product_id, product_name, price, stock)\n VALUES (S.product_id, S.product_name, S.price, S.stock);\n<\/code><\/pre>\n3. \u30c6\u30fc\u30d6\u30eb\u306e\u72b6\u614b\uff08MERGE\u5b9f\u884c\u5f8c\uff09<\/h4>\n\u4e0a\u8a18\u306eSQL\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001`products`\u30c6\u30fc\u30d6\u30eb\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n \u25bc `products`\uff08\u5b9f\u884c\u5f8c\u306e\u72b6\u614b\uff09<\/strong><\/p>\n\n\n\n| product_id<\/th>\n | product_name<\/th>\n | price<\/th>\n | stock<\/th>\n<\/tr>\n<\/thead>\n | \n\n| P001<\/td>\n | \u30b9\u30fc\u30d1\u30fc\u30dc\u30fc\u30eb<\/td>\n | 100<\/td>\n | 200<\/td>\n<\/tr>\n | \n| P002<\/td>\n | \u3051\u3057\u30b4\u30e0NEO<\/strong><\/td>\n90<\/strong><\/td>\n450<\/strong><\/td>\n<\/tr>\n\n| P003<\/td>\n | \u3048\u3093\u3074\u3064<\/td>\n | 60<\/td>\n | 800<\/td>\n<\/tr>\n | \nP004<\/strong><\/td>\n\u5b9a\u898f<\/strong><\/td>\n120<\/strong><\/td>\n| 300<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u671f\u5f85\u901a\u308a\u3001`P002`\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u66f4\u65b0\u3055\u308c\u3001`P004`\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u65b0\u898f\u633f\u5165\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001`MERGE`\u6587\u3092\u4f7f\u3048\u3070\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u51e6\u7406\u3092\u5ba3\u8a00\u7684\u306b\u8a18\u8ff0\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n \u4e3b\u8981DBMS\uff08Oracle\/SQL Server\/PostgreSQL\/MySQL\uff09\u306b\u304a\u3051\u308bUPSERT\u69cb\u6587\u306e\u9055\u3044<\/h2>\n\u3053\u308c\u307e\u3067\u89e3\u8aac\u3057\u3066\u304d\u305f`MERGE`\u6587\u306fSQL\u306e\u6a19\u6e96\u898f\u683c\u3067\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u88fd\u54c1\u306b\u3088\u3063\u3066\u5bfe\u5fdc\u72b6\u6cc1\u3084\u72ec\u81ea\u306e\u69cb\u6587\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u5348\u5f8c\u554f\u984c\u3067\u306f\u3001\u7279\u5b9a\u306e\u88fd\u54c1\u540d\uff08\u4f8b\uff1aOracle\uff09\u304c\u6307\u5b9a\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u305f\u3081\u3001\u4e3b\u8981\u306aDBMS\u3067\u306e\u66f8\u304d\u65b9\u3092\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n Oracle, SQL Server\uff1a\u6a19\u6e96\u7684\u306aMERGE\u6587<\/h3>\nOracle\u3068Microsoft SQL Server\u306f\u3001\u6a19\u6e96SQL\u306b\u6e96\u62e0\u3057\u305f`MERGE`\u6587\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u3066\u304d\u305f\u69cb\u6587\u304c\u307b\u307c\u305d\u306e\u307e\u307e\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001SQL Server\u3067\u306f\u6587\u306e\u6700\u5f8c\u306b\u30bb\u30df\u30b3\u30ed\u30f3\uff08`;`\uff09\u304c\u5fc5\u9808\u3067\u3042\u308b\u306a\u3069\u3001\u7d30\u304b\u306a\u65b9\u8a00\uff08\u5dee\u7570\uff09\u306f\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n -- Oracle, SQL Server \u3067\u5229\u7528\u53ef\u80fd\u306a\u6a19\u6e96\u7684\u306aMERGE\u6587\nMERGE INTO products T\nUSING update_data S ON (T.product_id = S.product_id)\nWHEN MATCHED THEN\n UPDATE SET T.price = S.price, T.stock = S.stock\nWHEN NOT MATCHED THEN\n INSERT (product_id, product_name, price, stock)\n VALUES (S.product_id, S.product_name, S.price, S.stock);\n<\/code><\/pre>\nPostgreSQL\uff1a`ON CONFLICT`\u53e5\uff08UPSERT\uff09<\/h3>\nPostgreSQL\uff08\u30d0\u30fc\u30b8\u30e7\u30f39.5\u4ee5\u964d\uff09\u3067\u306f\u3001`MERGE`\u6587\u3068\u306f\u7570\u306a\u308b\u72ec\u81ea\u306eUPSERT\u69cb\u6587\u3068\u3057\u3066 `INSERT … ON CONFLICT` \u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u300c\u633f\u5165\uff08INSERT\uff09\u3092\u8a66\u307f\u3066\u3001\u3082\u3057\u4e3b\u30ad\u30fc\u3084\u30e6\u30cb\u30fc\u30af\u30ad\u30fc\u306e\u5236\u7d04\u9055\u53cd\uff08CONFLICT\uff09\u304c\u8d77\u304d\u305f\u3089\u3001\u4ee3\u308f\u308a\u306b\u66f4\u65b0\uff08UPDATE\uff09\u3059\u308b\u300d\u3068\u3044\u3046\u76f4\u611f\u7684\u306a\u8a18\u8ff0\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n -- PostgreSQL \u306eUPSERT\u69cb\u6587\nINSERT INTO products (product_id, product_name, price, stock)\nVALUES ('P002', '\u3051\u3057\u30b4\u30e0NEO', 90, 450), ('P004', '\u5b9a\u898f', 120, 300)\nON CONFLICT (product_id) DO UPDATE SET\n product_name = EXCLUDED.product_name,\n price = EXCLUDED.price,\n stock = EXCLUDED.stock;\n<\/code><\/pre>\n\n- `ON CONFLICT (product_id)`: `product_id`\u30ab\u30e9\u30e0\u3067\u30ad\u30fc\u91cd\u8907\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u30eb\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n
- `EXCLUDED`: \u64ec\u4f3c\u30c6\u30fc\u30d6\u30eb\u3067\u3001\u672c\u6765\u633f\u5165\u3055\u308c\u308b\u306f\u305a\u3060\u3063\u305f\u5024\uff08\u5143\u30c7\u30fc\u30bf\uff09\u3092\u53c2\u7167\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
MySQL\uff1a`ON DUPLICATE KEY UPDATE`\u53e5<\/h3>\nMySQL\u3067\u3082\u72ec\u81ea\u306eUPSERT\u69cb\u6587\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002`INSERT … ON DUPLICATE KEY UPDATE` \u306f\u3001PostgreSQL\u3068\u4f3c\u305f\u8003\u3048\u65b9\u3067\u3001\u300c\u4e3b\u30ad\u30fc\u307e\u305f\u306f\u30e6\u30cb\u30fc\u30af\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3067\u91cd\u8907\uff08DUPLICATE KEY\uff09\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306bUPDATE\u51e6\u7406\u3092\u884c\u3046\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n -- MySQL \u306eUPSERT\u69cb\u6587\nINSERT INTO products (product_id, product_name, price, stock)\nVALUES ('P002', '\u3051\u3057\u30b4\u30e0NEO', 90, 450), ('P004', '\u5b9a\u898f', 120, 300)\nON DUPLICATE KEY UPDATE\n product_name = VALUES(product_name),\n price = VALUES(price),\n stock = VALUES(stock);\n<\/code><\/pre>\n\n- `VALUES(\u30ab\u30e9\u30e0\u540d)`: `VALUES`\u53e5\u3067\u6307\u5b9a\u3055\u308c\u305f\u3001\u633f\u5165\u3057\u3088\u3046\u3068\u3057\u305f\u5024\u3092\u53c2\u7167\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u3053\u306e\u3088\u3046\u306b\u3001\u5b9f\u73fe\u3057\u305f\u3044\u3053\u3068\u306f\u540c\u3058\u3067\u3082DBMS\u306b\u3088\u3063\u3066\u69cb\u6587\u304c\u5927\u304d\u304f\u7570\u306a\u308b\u305f\u3081\u3001\u81ea\u5206\u304c\u6271\u3046\u30b7\u30b9\u30c6\u30e0\u306e\u66f8\u304d\u65b9\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n MERGE\u6587\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u6ce8\u610f\u70b9\u2502DB\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u8ad6\u8ff0\u5bfe\u7b56<\/h2>\nMERGE\u6587\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u3059\u304c\u3001\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e1\u30ea\u30c3\u30c8\u3092\u6700\u5927\u9650\u306b\u6d3b\u304b\u3057\u3001\u610f\u56f3\u3057\u306a\u3044\u30c8\u30e9\u30d6\u30eb\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u5229\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u3082\u7406\u89e3\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u3001\u7279\u306bDB\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u8ad6\u8ff0\u554f\u984c\u306a\u3069\u3067\u306f\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n MERGE\u6587\u306e\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n- SQL\u306e\u30b7\u30f3\u30d7\u30eb\u5316\u3068\u53ef\u8aad\u6027\u5411\u4e0a<\/strong>: IF\u6587\u306b\u3088\u308b\u6761\u4ef6\u5206\u5c90\u3084\u8907\u6570\u306eSQL\u767a\u884c\u304c\u4e0d\u8981\u306b\u306a\u308a\u3001\u4f55\u3092\u3057\u3066\u3044\u308b\u51e6\u7406\u306a\u306e\u304b\u304c\u4e00\u76ee\u77ad\u7136\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n
- \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u305fDB\u3068\u306e\u3084\u308a\u53d6\u308a\u304c\u4e00\u5ea6\u3067\u6e08\u307f\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u300cSELECT\u3057\u3066\u5b58\u5728\u78ba\u8a8d \u2192 INSERT or UPDATE\u300d\u30682\u56de\u4ee5\u4e0a\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3046\u3088\u308a\u3082\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u51e6\u7406\u304c\u9ad8\u901f\u5316\u3055\u308c\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
- \u539f\u5b50\u6027\u306e\u78ba\u4fdd\uff08\u30a2\u30c8\u30df\u30c3\u30af\u51e6\u7406\uff09<\/strong>: \u4e00\u9023\u306e\u300c\u5b58\u5728\u78ba\u8a8d \u2192 \u633f\u5165 or \u66f4\u65b0\u300d\u304c\u5358\u4e00\u306e\u6587\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u51e6\u7406\u306e\u9014\u4e2d\u3067\u5916\u90e8\u304b\u3089\u30c7\u30fc\u30bf\u5909\u66f4\u304c\u5272\u308a\u8fbc\u3080\u4f59\u5730\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u62c5\u4fdd\u3055\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\uff08\u3053\u308c\u3092\u300c\u30a2\u30c8\u30df\u30c3\u30af\u306a\u64cd\u4f5c\u300d\u3068\u8a00\u3044\u307e\u3059\uff09<\/li>\n<\/ol>\n
\u5229\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u3068\u5bfe\u7b56<\/h3>\n\n- \u5927\u91cf\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u6027\u80fd<\/strong>: MERGE\u6587\u306f\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\uff08target_table\uff09\u3068\u5143\u30c7\u30fc\u30bf\uff08source_table\uff09\u306e\u7d50\u5408\uff08JOIN\uff09\u3092\u5185\u90e8\u7684\u306b\u884c\u3044\u307e\u3059\u3002\u6570\u5104\u4ef6\u3068\u3044\u3063\u305f\u5927\u898f\u6a21\u306a\u30c6\u30fc\u30d6\u30eb\u540c\u58eb\u306e\u30de\u30fc\u30b8\u3067\u306f\u3001\u7d50\u5408\u30b3\u30b9\u30c8\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308a\u3001\u60f3\u5b9a\u4ee5\u4e0a\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u52a3\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\n
\n- \u5bfe\u7b56<\/strong>: ON\u53e5\u3067\u6307\u5b9a\u3059\u308b\u5217\u306b\u306f\u5fc5\u305a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u307e\u305f\u3001\u51e6\u7406\u3092\u5206\u5272\u3059\u308b\u306a\u3069\u3001\u30c7\u30fc\u30bf\u91cf\u306b\u5fdc\u3058\u305f\u8a2d\u8a08\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af<\/strong>: \u9ad8\u3044\u983b\u5ea6\u3067\u8907\u6570\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066MERGE\u6587\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u884c\u30ed\u30c3\u30af\u306e\u7af6\u5408\u304c\u539f\u56e0\u3067\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\n
\n- \u5bfe\u7b56<\/strong>: \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5206\u96e2\u30ec\u30d9\u30eb\uff08ISOLATION LEVEL\uff09\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3001\u4e00\u5ea6\u306b\u30de\u30fc\u30b8\u3059\u308b\u30c7\u30fc\u30bf\u91cf\u3092\u6e1b\u3089\u3059\u3001\u3068\u3044\u3063\u305f\u691c\u8a0e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u30c8\u30ea\u30ac\u30fc\u3068\u306e\u76f8\u6027<\/strong>: MERGE\u6587\u306b\u3088\u3063\u3066INSERT\u3068UPDATE\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u305d\u308c\u305e\u308c\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30c8\u30ea\u30ac\u30fc\u304c\u8d77\u52d5\u3057\u307e\u3059\u3002\u610f\u56f3\u3057\u306a\u3044\u30c8\u30ea\u30ac\u30fc\u304c\u9023\u9396\u7684\u306b\u52d5\u4f5c\u3057\u306a\u3044\u304b\u3001\u4e8b\u524d\u306b\u8a2d\u8a08\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n<\/ol>\n
\u3053\u308c\u3089\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u5834\u9762\u3067MERGE\u6587\u3092\u6d3b\u7528\u3059\u308b\u80fd\u529b\u304c\u3001\u9ad8\u5ea6\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u306f\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6271\u3046\u73fe\u5834\u3067\u3001\u300c\u3053\u306e\u30c7\u30fc\u30bf\u304c\u3059\u3067\u306b\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308c\u3070\u66f4\u65b0\uff08UPDATE\uff09\u3057\u3001\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u65b0\u3057\u304f\u633f\u5165\uff08INSERT\uff09\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u5834\u9762\u306b\u906d\u9047\u3057\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f\u4f8b\u3048\u3070\u3001\u65e5\u3005\u306e\u58f2\u4e0a\u30c7\u30fc … <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","columnck":"","stmeta_robots":"index, follow","st_titlewords":"","st_title_extra":"","st_keywords":"","st_description":"","st_display_ad_mark":"","st_display_ad_mark_hide":"","textcopyck":"","st_copyright":"","st_copyurl":"","eyecatch_set":"","st_youtube_url":"","st_youtube_eyecatch":"","headerwidget_set":"","updatewidget_set":"","kanrenwidget_set":"","ikkatuwidget_set":"","koukoku_set":"","auto_adsense_koukoku_set":"","st_redirect":"","st_redirect_url_as_canonical":"","st_redirect_pvm_do_not_track":"","post_data_updatewidget_set":"","st_post_header_under_bg":"","st_twitter_tag":"","affinger_note":"","rankdisplayck":"","st_head_code":"","st_footer_code":"","st_post_header_under_code":"","_st_toc_override":false,"_st_toc_settings":[]},"categories":[3],"tags":[6],"class_list":["post-6068","post","type-post","status-publish","format-standard","hentry","category-ipa","tag-6"],"_links":{"self":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts\/6068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/comments?post=6068"}],"version-history":[{"count":0,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts\/6068\/revisions"}],"wp:attachment":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/media?parent=6068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/categories?post=6068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/tags?post=6068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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