{"id":109936,"date":"2024-03-22T16:21:34","date_gmt":"2024-03-22T07:21:34","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mysql-%e3%81%ae%e6%9b%b4%e6%96%b0%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-28T12:49:09","modified_gmt":"2024-03-28T03:49:09","slug":"mysql-%e3%81%ae%e6%9b%b4%e6%96%b0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mysql-%e3%81%ae%e6%9b%b4%e6%96%b0%e6%96%b9%e6%b3%95\/","title":{"rendered":"MySQL \u306e\u66f4\u65b0\u65b9\u6cd5"},"content":{"rendered":"

MySQL\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\uff1a<\/p>\n

    \n
  1. UPDATE\u6587\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\uff1aUPDATE\u6587\u3092\u4f7f\u3046\u3068\u3001\u8868\u5185\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n
  2. \u30c6\u30fc\u30d6\u30eb\u540d UPDATE SET \u30ab\u30e9\u30e0\u540d1=\u50241\u3001\u30ab\u30e9\u30e0\u540d2=\u50242\u3001 … WHERE \u6761\u4ef6;<\/li>\n
  3. \u4f8b\u3048\u3070\uff1a<\/li>\n
  4. UPDATE students SET age = 20, name = ‘John’ WHERE id = 1;<\/li>\n
  5. INSERT INTO \u2026 ON DUPLICATE KEY UPDATE\u6587\u306f\u3001\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u3068\u304d\u306b\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n
  6. INSERT INTO \u30c6\u30fc\u30d6\u30eb\u540d (\u5217\u540d1, \u5217\u540d2, …) VALUES (\u50241, \u50242, …) ON DUPLICATE KEY UPDATE \u5217\u540d1 = \u50241, \u5217\u540d2 = \u50242, …<\/li>\n
  7. \u4f8b\uff1aThe cat sat on the mat. -> \u732b\u304c\u3054\u3056\u306e\u4e0a\u306b\u5ea7\u308b\u3002<\/li>\n
  8. \u91cd\u8907\u30ad\u30fc\u304c\u3042\u308c\u3070name\u3092’John’\u3001age\u309220\u306b\u66f4\u65b0\u3001\u306a\u3051\u308c\u3070id\u30921\u3001name\u3092’John’\u3001age\u309220\u3068\u3057\u3066\u3001students\u30c6\u30fc\u30d6\u30eb\u306b\u633f\u5165<\/li>\n
  9. REPLACE\u6587\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\uff1aREPLACE\u6587\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u540c\u3058\u30e6\u30cb\u30fc\u30af\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u30c6\u30fc\u30d6\u30eb\u5185\u306b\u3042\u308b\u5834\u5408\u306f\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3057\u3066\u65b0\u898f\u306e\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n
  10. REPLACE INTO \u30c6\u30fc\u30d6\u30eb\u540d (\u30ab\u30e9\u30e0\u540d1, \u30ab\u30e9\u30e0\u540d2, …) VALUES (\u50241, \u50242, …);<\/li>\n
  11. \u4f8b\u3048\u3070<\/li>\n
  12. REPLACE INTO students (id, name, age) VALUES (1, ‘John’, 20);<\/li>\n
  13. INSERT INTO … SELECT … ON DUPLICATE KEY UPDATE\u6587\u3092\u4f7f\u7528\u3057\u305f\u4e00\u62ec\u66f4\u65b0<\/li>\n
  14. INSERT INTO \u30c6\u30fc\u30d6\u30eb\u540d (\u30ab\u30e9\u30e0\u540d1, \u30ab\u30e9\u30e0\u540d2, …) SELECT \u50241, \u50242, … FROM \u30c6\u30fc\u30d6\u30eb\u540d2 ON DUPLICATE KEY UPDATE \u30ab\u30e9\u30e0\u540d1=\u50241, \u30ab\u30e9\u30e0\u540d2=\u50242, …;<\/li>\n
  15. \u4f8b\uff1a<\/li>\n
  16. INSERT INTO students (id, name, age) SELECT id, name, age FROM other_students ON DUPLICATE KEY UPDATE name= VALUES(name), age=VALUES(age);<\/li>\n<\/ol>\n

    \u4e0a\u8a18\u306e\u65b9\u6cd5\u306fMySQL\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    MySQL\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\uff1a UPDATE\u6587\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\uff1aUPDATE\u6587\u3092\u4f7f\u3046\u3068\u3001\u8868\u5185\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u540d UPDATE SET \u30ab\u30e9\u30e0\u540d1=\u50241\u3001\u30ab\u30e9\u30e0\u540d2=\u50242\u3001 & […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-109936","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nMySQL \u306e\u66f4\u65b0\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\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.silicloud.com\/ja\/blog\/mysql-\u306e\u66f4\u65b0\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MySQL \u306e\u66f4\u65b0\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"MySQL\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\uff1a UPDATE\u6587\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\uff1aUPDATE\u6587\u3092\u4f7f\u3046\u3068\u3001\u8868\u5185\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u540d UPDATE SET \u30ab\u30e9\u30e0\u540d1=\u50241\u3001\u30ab\u30e9\u30e0\u540d2=\u50242\u3001 & […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/mysql-\u306e\u66f4\u65b0\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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