Nested subquery and in operator : Sub query « Select Clause « SQL / MySQL






  1. SQL / MySQL
  2. Select Clause
  3. Sub query

Nested subquery and in operator

       
mysql>
mysql> CREATE TABLE EmployeeS(
    ->          EmployeeNO       INTEGER      NOT NULL,
    ->          NAME           CHAR(15)     NOT NULL,
    ->          INITIALS       CHAR(3)      NOT NULL,
    ->          BIRTH_DATE     DATE                 ,
    ->          SEX            CHAR(1)      NOT NULL,
    ->          JOINED         SMALLINT     NOT NULL,
    ->          STREET         VARCHAR(30)  NOT NULL,
    ->          HOUSENO        CHAR(4)              ,
    ->          POSTCODE       CHAR(6)              ,
    ->          TOWN           VARCHAR(30)  NOT NULL,
    ->          PHONENO        CHAR(13)             ,
    ->          LEAGUENO       CHAR(4)              ,
    ->          PRIMARY KEY    (EmployeeNO)           );
Query OK, 0 rows affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (2, 'Jack', 'R', '1948-09-01', 'M', 1975, 'Stoney Road','43', '3575NH', 'Stratford', '070-237893', '2411');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (6, 'Link', 'R', '1964-06-25', 'M', 1977, 'Haseltine Lane','80', '1234KK', 'Stratford', '070-476537', '8467');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (7, 'Wise', 'GWS', '1963-05-11', 'M', 1981, 'First Way','39', '9758VB', 'Stratford', '070-347689', NULL);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (8, 'Mary', 'B', '1962-07-08', 'F', 1980, 'Station Road','4', '6584WO', 'Inglewood', '070-458458', '2983');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (27, 'Collins', 'DD', '1964-12-28', 'F', 1983, 'Long DRay','804', '8457DK', 'Eltham', '079-234857', '2513');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (28, 'Collins', 'C', '1963-06-22', 'F', 1983, 'Old Main Road','10', '1294QK', 'Midhurst', '010-659599', NULL);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (39, 'Bishop', 'D', '1956-10-29', 'M', 1980, 'Eaton Square','78', '9629CD', 'Stratford', '070-393435', NULL);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (44, 'Baker', 'E', '1963-01-09', 'M', 1980, 'Lewis Street','23', '4444LJ', 'Inglewood', '070-368753', '1124');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (57, 'Brown', 'M', '1971-08-17', 'M', 1985, 'First Way','16', '4377CB', 'Stratford', '070-473458', '6409');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (83, 'Hope', 'PK', '1956-11-11', 'M', 1982, 'Main Road','16A', '1812UP', 'Stratford', '070-353548', '1608');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (95, 'Miller', 'P', '1963-05-14', 'M', 1972, 'High Street','33A', '5746OP', 'Douglas', '070-867564', NULL);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (100, 'Link', 'P', '1963-02-28', 'M', 1979, 'Haseltine Lane','80', '6494SG', 'Stratford', '070-494593', '6524');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (104, 'Jane', 'D', '1970-05-10', 'F', 1984, 'Stout Street','65', '9437AO', 'Eltham', '079-987571', '7060');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS VALUES (112, 'Bailey', 'IP', '1963-10-01', 'F', 1984, 'Vixen Road','8', '6392LK', 'Plymouth', '010-548745', '1319');
Query OK, 1 row affected (0.00 sec)

mysql>
mysql>
mysql>
mysql> CREATE   TABLE TEAMS
    ->         (TEAMNO         INTEGER      NOT NULL,
    ->          EmployeeNO       INTEGER      NOT NULL,
    ->          DIVISION       CHAR(6)      NOT NULL,
    ->          PRIMARY KEY    (TEAMNO)             );
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>
mysql> INSERT INTO TEAMS VALUES (1,  6, 'first');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO TEAMS VALUES (2, 27, 'second');
Query OK, 1 row affected (0.00 sec)

mysql>
mysql> CREATE   TABLE MATCHES
    ->         (MATCHNO        INTEGER      NOT NULL,
    ->          TEAMNO         INTEGER      NOT NULL,
    ->          EmployeeNO       INTEGER      NOT NULL,
    ->          WON            SMALLINT     NOT NULL,
    ->          LOST           SMALLINT     NOT NULL,
    ->          PRIMARY KEY    (MATCHNO)            );
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> INSERT INTO MATCHES VALUES ( 1, 1,   6, 3, 1);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 2, 1,   6, 2, 3);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 3, 1,   6, 3, 0);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 4, 1,  44, 3, 2);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 5, 1,  83, 0, 3);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 6, 1,   2, 1, 3);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 7, 1,  57, 3, 0);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 8, 1,   8, 0, 3);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES ( 9, 2,  27, 3, 2);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES (10, 2, 104, 3, 2);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES (11, 2, 112, 2, 3);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES (12, 2, 112, 1, 3);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO MATCHES VALUES (13, 2,   8, 0, 3);
Query OK, 1 row affected (0.00 sec)

mysql>
mysql>
mysql> SELECT   EmployeeNO, NAME
    -> FROM     EmployeeS
    -> WHERE    EmployeeNO IN
    ->         (SELECT   EmployeeNO
    ->          FROM     MATCHES
    ->          WHERE    TEAMNO NOT IN
    ->                  (SELECT   TEAMNO
    ->                   FROM     TEAMS
    ->                   WHERE    EmployeeNO = 6));
+------------+---------+
| EmployeeNO | NAME    |
+------------+---------+
|          8 | Mary    |
|         27 | Collins |
|        104 | Jane    |
|        112 | Bailey  |
+------------+---------+
4 rows in set (0.00 sec)

mysql>
mysql> drop table Employees;
Query OK, 0 rows affected (0.00 sec)

mysql> drop table teams;
Query OK, 0 rows affected (0.00 sec)

mysql> drop table matches;
Query OK, 0 rows affected (0.00 sec)








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