mysql查找长期不用的索引

select object_schema,object_name,index_name,b.`table_rows` from performance_schema.table_io_waits_summary_by_index_usage a join information_schema.tables b on a.`object_schema`=b.`table_schema` and a.`object_name`=b.`table_name` where index_name is not null

and count_star=0 order by object_schema,object_name;

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转载自blog.csdn.net/qq_38522268/article/details/88812239