sql两张表关联更新字段

--第一种
UPDATE rp
 SET    RelatedDate = fa.InsertTime ,
        UpdateTime = GETDATE()
 FROM   dbo.t_Finance_RelationPartner AS rp
        INNER JOIN dbo.t_Finance_Account_ForXiaoShou AS fa ON rp.PartnerRelegationId = fa.AccountId
 WHERE  rp.Mark > 0
        AND fa.Mark > 0
        AND rp.RelatedDate < fa.InsertTime

--第二种
UPDATE t_Finance_RelationPartner
 SET    RelatedDate = fa.InsertTime ,
        UpdateTime = GETDATE()
 FROM   dbo.t_Finance_Account_ForXiaoShou AS fa
 WHERE  PartnerRelegationId = fa.AccountId
        AND t_Finance_RelationPartner.Mark > 0
        AND fa.Mark > 0
        AND RelatedDate < fa.InsertTime