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mysql 刪除指定資料,重排id

刪除資料 ,把主機為除錯主機的資料全部刪除

DELETE  FROM t_client_info WHERE host_name='除錯主機';
DELETE  FROM t_client_info WHERE host_name='124.128.246.154';

 

重新排列id

ALTER TABLE `t_client_info` DROP `id`;
ALTER TABLE `t_client_info` ADD `id` mediumint(6) PRIMARY KEY NOT NULL AUTO_INCREMENT FIRST;