20170308_ossdb_silver_教科書_8-4
CREATE TABLE tbl1 ( id int PRIMARY KEY, name text ); CREATE TABLE tbl2 ( id int PRIMARY KEY, name text ); INSERT INTO tbl1 VALUES (1,'AAA'); INSERT INTO tbl1 VALUES (2,'BBB'); INSERT INTO tbl1 VALUES (3,'CCC'); INSERT INTO tbl2 VALUES (2,'BBB'); INSERT INTO tbl2 VALUES (3,'CCC'); INSERT INTO tbl2 VALUES (4,'DDD');