Pair value and not in operator
mysql> mysql> CREATE TABLE Employee -> (NAME CHAR(10) NOT NULL, -> INITIALS CHAR(3) NOT NULL, -> TOWN VARCHAR(30) NOT NULL, -> PRIMARY KEY (NAME, INITIALS)); Query OK, 0 rows affected (0.00 sec) mysql> mysql> INSERT INTO Employee VALUES ('Link', 'R', 'Stratford'); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO Employee VALUES ('Link', 'P', 'Stratford'); Query OK, 1 row affected (0.00 sec) mysql> mysql> INSERT INTO Employee VALUES ('Miller', 'P', 'Douglas'); Query OK, 1 row affected (0.00 sec) mysql> mysql> mysql> CREATE TABLE PENALTIES -> (PAYMENTNO INTEGER NOT NULL, -> PLAYERNO INTEGER NOT NULL, -> PAYMENT_DATE DATE NOT NULL, -> AMOUNT DECIMAL(7,2) NOT NULL, -> PRIMARY KEY (PAYMENTNO) ); Query OK, 0 rows affected (0.00 sec) mysql> mysql> INSERT INTO PENALTIES VALUES (1, 6, '1980-12-08',100); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (2, 44, '1981-05-05', 75); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (3, 27, '1983-09-10',100); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (4,104, '1984-12-08', 50); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (5, 44, '1980-12-08', 25); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (6, 8, '1980-12-08', 25); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (7, 44, '1982-12-30', 30); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO PENALTIES VALUES (8, 27, '1984-11-12', 75); Query OK, 1 row affected (0.00 sec) mysql> mysql> SELECT NAME, INITIALS, TOWN -> FROM Employee -> WHERE (NAME, INITIALS) NOT IN -> (SELECT NAME, INITIALS -> FROM PENALTIES); Empty set (0.00 sec) mysql> mysql> drop table Employee; Query OK, 0 rows affected (0.00 sec) mysql> drop table penalties; Query OK, 0 rows affected (0.00 sec)
1. | In operator and pair value | ||
2. | Pair value vs and operator |