请问带in 和 子查询的sql语句怎么进行优化？
UPDATE user_bank_info set fisused = 2 where fuserid in ( SELECT userid FROM ( select DISTINCT ubi.fuserid as userid from customer as c JOIN…
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UPDATE user_bank_info set fisused = 2 where fuserid in ( SELECT userid FROM ( select DISTINCT ubi.fuserid as userid from customer as c JOIN…
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