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