按表名排序？

Question

有没有办法在表名上使用"order"功能.即我想结合两个表然后按一列排序,然后按表名排序.

Answer 1

将常量添加到描述表名称的列列表中,例如

select *, 'TableA' as TableName
from TableA
union all
select *, 'TableB' as TableName
from TableB
order by TableName