ããããããããããã°ã¤ã³ã¨å¼ã°ããèªè¨¼æ¹æ³ããã³ã¢ç«¯æ«ã§å®è£ ããã¨ãã«ã¤ãããã¦ããã¨æãããiã¢ã¼ãIDã§ããã大æåã»å°æåã®åºå¥ãããã ã¨ãããã¨ãä»æ¥åãã¦ç¥ãã¾ããã 以ä¸ãåé¡ã«ãªã£ãé¨åã®æå°æ§æããããããã°ã¤ã³ã®æ¯éã¯ãã£ããç½®ãã¦ããã¾ãã CREATE TABLE `user` ( id INTEGER UNSIGNED NOT NULL AUTO_INCREMENT, mobile_id VARCHAR(255) NOT NULL, PRIMARY KEY(id), UNIQUE INDEX user_mobile_id(mobile_id) ); INSERT INTO `user` (mobile_id) VALUES('xx0000x'); -- => Query OK, 1 row affected (0.06 sec) INSERT INTO `user
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