这样的sql语句 更用update更新吗?
sql 代码
select SUM(buyNumber) as zongshu,offer_id from dbo.crm_customer_offer_detail where offer_id in(select offer_id from dbo.crm_customer_offer) group by offer_id
update tbset value=t.zongshufrom(select SUM(buyNumber) as zongshu,offer_id from dbo.crm_customer_offer_detail where offer_id in(select offer_id from dbo.crm_customer_offer) group by offer_id) twhere tb.offer_id=t.offer_id