sqlserver 游标的简单示例

2023年 4月 16日 30.0k 0

Declare @Id varchar(20) Declare @Name varchar(20) Declare Cur Cursor For select substring(id,0,7) as id,name from temp1 Open Cur Fetch next From Cur Into @Id,@Name While @@fetch_status=0 Begin Update temp Set [c3]=@Name where [id] like @Id+

Declare @Id varchar(20) Declare @Name varchar(20) Declare Cur Cursor For select substring(id,0,7) as id,name from temp1 Open Cur Fetch next From Cur Into @Id,@Name While @@fetch_status=0 Begin Update temp Set [c3]=@Name where [id] like @Id+'%' Fetch Next From Cur Into @Id,@Name End Close Cur Deallocate Cur

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