sql 如何把一個查詢結果看成一個表來查詢

1. select count(),B.id,B.channelId,B.name,B.sumorgId from ( select from (select count(*) as sumNum,id,name,orgId as sumorgId from 表名 where 條件 group by name ) as A left join 另外一張表名 on A.name = 另外一張表名.n

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