declare @a nvarchar(255), @b nvarchar(255) select di from bb where di=case when @a=2 then '001' else '002' end
declare @a nvarchar(255), @b nvarchar(255) select di from bb where di=case when @a=2 then '001' else '002'改正: select di from bb where di = (case when @a = 2 then '001' else '002' end)
@b nvarchar(255)
select di from bb where di=case when @a=2 then '001' else '002' end
@b nvarchar(255)
select di from bb where di=case when @a=2 then '001' else '002'改正:
select di from bb where di = (case when @a = 2 then '001' else '002' end)