[SQL] UNSCRIBE

UNSCRIBE  

[SQL] Extraordinary Full Join

Hello! postgreSQL lovers, Master table tmaster has 2 childern tables tbook and thobby. CREATE TABLE tmaster (id TEXT,name TEXT); CREATE TABLE tbook (id TEXT, book TEXT); CREATE TABLE thobby (id TEXT, hobby TEXT); INSERT INTO tmaster VALUES ('m1','John'); INSERT INTO tmaster VALUES ('m2','Mary');