select orderNum,userName,MoneyTotal into #t from FOrders po DECLARE @n int,@error int –set @n=1 set @error=0 BEGIN TRAN –申明事务 declare @tmp varchar(50),@userN varchar(50) –临时变量，用来保存游标值 declare y_curr cursor for –申明游标 为orderNum,userName select orderNum,userName from FOrders where Orderid<50 open y_curr fetch next from y_curr into @tmp,@userN while @@fetch_status = 0 BEGIN select isnull(sum(MoneyTotal),0),orderNum from #t where username=@userN – set @n=@n+1 set @error=@error+@@error–记录每次运行sql后 是否正确 0正确 fetch next from y_curr into @tmp,@userN END IF @error=0 BEGIN commit tran –提交 END ELSE BEGIN ROLLBACK TRAN –回滚 END close y_curr deallocate y_curr DROP TABLE #t
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