Oracle多表查询之minus
select * from A minus select * from B
*****************************
返回A表中A B不相同的部分。
SQL> select * from test001;
NAME
----------
1
2
3
4
5
SQL> select * from test002;
NAME
----------
4
5
6
7
8
SQL> select * from test001 minus select * from test002;
NAME
----------
1
2
3
SQL> select * from test001 union select * from test002;
NAME
----------
1
2
3
4
5
6
7
8
按照上面的结果，查询ab交集只需要
select * from A minus (select * from A minus select * from B);
SQL> select * from test001 minus (select * from test001 minus select * from test002);
NAME
----------
4
5
