update 多表关联更新
–update a– set– a.[ProblemID]= b.[NewProblemID],– a.[UpdateTime]=b.[UpdateTime1]–from [DMTBM_HUANYUAN_FROM_DATA_690] a,(select * from [IDMUserSync].[dbo].[DMTBM_690Maping$] where del is null) b–where a.[ProblemID]=b.[ProblemID] and (a.[MSR_CODE]=‘F
