mysql 添加索引语句
摘要:1.PRIMARY KEY(主键索引) mysql>ALTER TABLE `table_name` ADD PRIMARY KEY ( `column` ) 2.UNIQUE(唯一索引) mysql>ALTER TABLE `table_name` ADD UNIQUE (`column` ) 3
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posted @ 2021-04-14 13:56
posted @ 2021-04-14 13:56
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