CREATE TABLE tx1 (c1 int, c2 varchar(30)); CREATE TABLE tx2 (c1 int, c2 varchar(30)); CREATE TABLE tx3 (c1 int, c2 varchar(30)); INSERT INTO tx1 VALUES (1, 'jim'); INSERT INTO tx1 VALUES (2, 'menny'); INSERT INTO tx1 VALUES (3, 'linda'); INSERT INTO tx2 VALUES (1, 'jim'); INSERT INTO tx2 VALUES (2, 'kris'); INSERT INTO tx2 VALUES (3, 'shory'); INSERT INTO tx3 VALUES (1, 'jim'); INSERT INTO tx3 VALUES (2, 'kris'); INSERT INTO tx3 VALUES (3, 'linda'); # # test when sql_mode is not oracle # SELECT c2 FROM tx1 EXCEPT SELECT c2 from tx2; c2 menny linda SELECT c2 FROM tx1 MINUS SELECT c2 from tx2; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'SELECT c2 from tx2' at line 1 create table MINUS (a int); drop table MINUS; # # test when sql_mode is oracle # SET sql_mode=ORACLE; SELECT c2 FROM tx1 MINUS SELECT c2 from tx2; c2 menny linda SELECT c2 FROM tx1 MINUS SELECT c2 from tx2 MINUS SELECT c2 from tx3; c2 menny SELECT c2 FROM tx1 MINUS SELECT c2 from tx2 EXCEPT SELECT c2 from tx3; c2 menny SELECT c2 FROM tx1 MINUS SELECT c2 from tx2 UNION SELECT c2 from tx3; c2 jim menny linda kris create table MINUS (a int); ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'MINUS (a int)' at line 1 DROP TABLE tx1; DROP TABLE tx2; DROP TABLE tx3;