|
postgres=#
postgres=# CREATE TABLE t1 (
postgres(# num int,
postgres(# name varchar(10)
postgres(# );
CREATE TABLE
postgres=#
postgres=# insert into t1 values(1,'a');
INSERT 0 1
postgres=# insert into t1 values(2,'b');
INSERT 0 1
postgres=# insert into t1 values(3,'c');
INSERT 0 1
postgres=#
postgres=# CREATE TABLE t2 (
postgres(# num int,
postgres(# name varchar(10)
postgres(# );
CREATE TABLE
postgres=#
postgres=# insert into t2 values(1,'xxx');
INSERT 0 1
postgres=# insert into t2 values(3,'yyy');
INSERT 0 1
postgres=# insert into t2 values(5,'zzz');
INSERT 0 1
postgres=#
postgres=# SELECT * FROM t1 NATURAL INNER JOIN t2;
num | name
-----+------
(0 rows)
postgres=#
postgres=# drop table t1;
DROP TABLE
postgres=# drop table t2;
DROP TABLE
postgres=#
|