ãã«ã¯ã¤ã³ãµã¼ãã¨æ¯è¼ããã¨è¦ä»¶ãè¤éãªããããã«ã¯ã¢ãããã¼ãã®å®ç¾æ¹æ³ã¯ããã¤ãããã¾ãã ãã®è¨äºã§ã¯3ã¤ã®æ¹æ³ã«å¯¾ãã¦å®è¡é度ã®éããæ¯è¼ãã¾ãã UPDATE ~ ELT + FIELD UPDATE ~ CASE INSERT ~ ON DUPLICATE KEY UPDATE è¦ä»¶ã«ãã£ã¦ã¯ä¸è¨ä»¥å¤ã®æ¹æ³ã§ãååãªã±ã¼ã¹ãããããã以ä¸ã®æ¡ä»¶ãè¨å®ãã¦ãã¾ãã ã¬ã³ã¼ãæ¯ã«éãå 容ã§æ´æ° æ´æ°åã®å¤ãä½¿ç¨ ç¹å®ã®ã«ã©ã ã®ã¿ãæ´æ°ããä»ã®ã«ã©ã ã¯å¤æ´ããªã å®éã«ãããããªã±ã¼ã¹ã¨ãã¦ã¯ãã¦ã¼ã¶ãã¨ã«ãã¤ã³ããä¿æãããã¼ãã«ãããå®æçã«éè¨å¦çãèµ°ããã¦ãã®å 容ã«å¿ãã¦ãã¤ã³ããå ç®ãããããªã®ãæ³å®ãã¦ã¾ãã 使ç¨ãããã¼ãã« CREATE TABLE `users` ( `user_id` int(11) NOT NULL AUTO_INCREMENT, `field1
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