Sqlsever 的with as 用法

固定格式with as () 1个子表 with aa as (select transid from JDT1 where account =‘100303’ ) 意思是把查询到的transid 字段穿传给aa select TransId into #b from jdt1 where TransId in (select * from aa) 多个子表 with aa as ( select

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