views.sql.out
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:2k
- QUERY: create table v1 (x int4, y int4, z int4);
- QUERY: insert into v1 values (1, 2, 3);
- QUERY: insert into v1 values (1, 3, 4);
- QUERY: insert into v1 values (1, 4, 5);
- QUERY: insert into v1 values (1, 2, 6);
- QUERY: create view vv1 as select x from v1;
- QUERY: create view vv2 as select y from v1;
- QUERY: create view vv3 as select z from v1;
- QUERY: select * from vv1;
- x
- --
- 1
- 1
- 1
- 1
- QUERY: select * from vv2;
- y
- --
- 2
- 3
- 4
- 2
- QUERY: select * from vv3;
- z
- --
- 3
- 4
- 5
- 6
- QUERY: drop view vv2;
- QUERY: drop view vv3;
- QUERY: create view vv as select * from vv1;
- QUERY: select * from vv;
- x
- --
- 1
- 1
- 1
- 1
- QUERY: create view vv2 as select x from vv;
- QUERY: select * from vv2;
- x
- --
- 1
- 1
- 1
- 1
- QUERY: drop view vv;
- QUERY: drop view vv1;
- QUERY: drop view vv2;
- QUERY: create view vv1 as select x, z from v1;
- QUERY: create view vv2 as select y, z from v1;
- QUERY: create view vv3 as select y, z, x from v1;
- QUERY: select * from vv1;
- x z
- -- --
- 1 3
- 1 4
- 1 5
- 1 6
- QUERY: select * from vv2;
- y z
- -- --
- 2 3
- 3 4
- 4 5
- 2 6
- QUERY: select * from vv3;
- y z x
- -- -- --
- 2 3 1
- 3 4 1
- 4 5 1
- 2 6 1
- QUERY: drop view vv1;
- QUERY: drop view vv2;
- QUERY: drop view vv3;
- QUERY: create view vv1 as select x as a, z as b, y as c from v1;
- QUERY: select * from vv1;
- a b c
- -- -- --
- 1 3 2
- 1 4 3
- 1 5 4
- 1 6 2
- QUERY: drop view vv1;
- QUERY: create view vv1 as select z, 100 as p, x as q from v1;
- QUERY: select * from vv1;
- z p q
- -- ---- --
- 3 100 1
- 4 100 1
- 5 100 1
- 6 100 1
- QUERY: drop view vv1;
- QUERY: create view vv1 as select x + y as xy, z from v1;
- QUERY: select * from vv1;
- xy z
- --- --
- 3 3
- 4 4
- 5 5
- 3 6
- QUERY: drop view vv1;
- QUERY: create table v2 (a int4);
- QUERY: insert into v2 values (2);
- QUERY: insert into v2 values (3);
- QUERY: create view vv1 as select y, z from v1, v2 where y = a;
- QUERY: select * from vv1;
- y z
- -- --
- 2 6
- 2 3
- 3 4
- QUERY: drop view vv1;
- QUERY: create view vv1 as select y - x as yx, z, a from v1, v2 where (x + y) > 3;
- QUERY: select * from vv1;
- yx z a
- --- -- --
- 2 4 2
- 3 5 2
- 2 4 3
- 3 5 3
- QUERY: drop view vv1;
- QUERY: drop table v1, v2;