SQLServer操作结果集

union组合结果集

--相同合并
select 'a',
union
select 'a',
--全部显示
select 'a',
union all
select 'a',

公用表表达式

with CET( wName,dName) as
(
select wName,dName from dbo.Worker inner join dbo.DepartMent
on Worker.did = DepartMent.dID
)
select * from CET

将结果集保存到表中

select wName,dName into CCC from dbo.Worker inner join dbo.DepartMent
on Worker.did = DepartMent.dID