创建索引 删除索引 查看索引

SHOW INDEX FROM bonus ;  // 查看表bonus中的索引

CREATE UNIQUE INDEX bonus_ ON bonus(`value`);   //  给表bonus的value字段创建索引 bonus_ 

DROP INDEX bonus_ ON bonus ;      //  删除表中bonus的索引 

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转载自blog.csdn.net/qq_37469931/article/details/83416995