X XYong Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-21 #1 我有两个结构相同的表(因特殊原因这样做),现把符合某一条件的两个表中的记录组成一个 视图,SQL怎么写???
D dz2050 Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-21 #2 create view aaa as select * from table1 where ... union select * from table2 where ...