agg.sql.out
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:3k
- QUERY: create table agga (a integer);
- QUERY: create table aggb (b smallint);
- QUERY: create table aggc (c float);
- QUERY: create table aggd (d float8);
- QUERY: insert into agga values (1);
- QUERY: insert into agga values (1);
- QUERY: insert into agga values (4);
- QUERY: insert into agga values (3);
- QUERY: select * from agga;
- a
- --
- 1
- 1
- 4
- 3
- QUERY: insert into aggb values (10);
- QUERY: insert into aggb values (45);
- QUERY: insert into aggb values (10);
- QUERY: insert into aggb values (30);
- QUERY: select * from aggb;
- b
- ---
- 10
- 45
- 10
- 30
- QUERY: insert into aggc values (210.3);
- QUERY: insert into aggc values (4.45);
- QUERY: insert into aggc values (310);
- QUERY: insert into aggc values (310);
- QUERY: select * from aggc;
- c
- ------
- 210.3
- 4.45
- 310
- 310
- QUERY: insert into aggd values ('-210.3'::float8);
- QUERY: insert into aggd values ('210.3'::float8);
- QUERY: insert into aggd values ('4.45'::float8);
- QUERY: insert into aggd values ('10310.33336'::float8);
- QUERY: insert into aggd values ('10310.33335'::float8);
- QUERY: select * from aggd;
- d
- ------------
- -210.3
- 210.3
- 4.45
- 10310.33336
- 10310.33335
- QUERY: select count(*) from agga;
- count
- ------
- 4
- QUERY: select count(*), avg(a) from agga;
- count avg
- ------ ----
- 4 2
- QUERY: select avg(a), max(a) from agga;
- avg max
- ---- ----
- 2 4
- QUERY: select sum(a), max(a) from agga;
- sum max
- ---- ----
- 9 4
- QUERY: select avg(c) from aggc;
- avg
- --------
- 208.687
- QUERY: select sum(c) from aggc;
- sum
- -------
- 834.75
- QUERY: select max(c) from aggc;
- max
- ----
- 310
- QUERY: select min(c) from aggc;
- min
- -----
- 4.45
- QUERY: select count(*), avg(a), sum(a), max(a), min(a) from agga;
- count avg sum max min
- ------ ---- ---- ---- ----
- 4 2 9 4 1
- QUERY: select count(*), avg(b), sum(b), max(b), min(b) from aggb;
- count avg sum max min
- ------ ---- ---- ---- ----
- 4 23 95 45 10
- QUERY: select count(*), avg(c), sum(c), max(c), min(c) from aggc;
- count avg sum max min
- ------ -------- ------- ---- -----
- 4 208.687 834.75 310 4.45
- QUERY: select count(*), avg(d), sum(d), max(d), min(d) from aggd;
- count avg sum max min
- ------ ------------ ------------ ------------ -------
- 5 4125.023342 20625.11671 10310.33336 -210.3
- QUERY: create table agge (e integer);
- QUERY: select count(*) from agge;
- count
- ------
- 0
- QUERY: select avg(e) from agge;
- avg
- ----
- 0
- QUERY: select sum(e) from agge;
- sum
- ----
- 0
- QUERY: select sum(e) from agge;
- sum
- ----
- 0
- QUERY: select min(e) from agge;
- min
- ----
-
- QUERY: create table aggf (x int, y int);
- QUERY: insert into aggf (x) values (1);
- QUERY: insert into aggf (y) values (2);
- QUERY: insert into aggf values (10, 20);
- QUERY: select * from aggf;
- x y
- --- ---
- 1
- 2
- 10 20
- QUERY: select count(*) from aggf;
- count
- ------
- 3
- QUERY: select count(x), count(y) from aggf;
- count count
- ------ ------
- 2 2
- QUERY: select avg(x), avg(y) from aggf;
- avg avg
- ---- ----
- 5 11
- QUERY: drop table agga;
- QUERY: drop table aggb;
- QUERY: drop table aggc;
- QUERY: drop table aggd;
- QUERY: drop table agge;
- QUERY: drop table aggf;