Using function in where clause during table joining

     
mysql>
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> CREATE   TABLE PENALTIES
    ->         (PAYMENTNO      INTEGER      NOT NULL,
    ->          EmployeeNO       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   PEN.PAYMENTNO, PEN.EmployeeNO, PEN.PAYMENT_DATE
    -> FROM     PENALTIES AS PEN, EmployeeS AS P
    -> WHERE    PEN.EmployeeNO = P.EmployeeNO
    -> AND      YEAR(PEN.PAYMENT_DATE) = P.JOINED;
+-----------+------------+--------------+
| PAYMENTNO | EmployeeNO | PAYMENT_DATE |
+-----------+------------+--------------+
|         3 |         27 | 1983-09-10   |
|         4 |        104 | 1984-12-08   |
|         5 |         44 | 1980-12-08   |
|         6 |          8 | 1980-12-08   |
+-----------+------------+--------------+
4 rows in set (0.00 sec)

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

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

Related examples in the same category

1.	Using temp table during table join
2.	Using a Join to Fill in Holes in a List
3.	Produce the same results by using a USING clause to qualify the join
4.	Specify the necessary join conditions in an ON or USING clause.
5.	Natural Joins and the USING Keyword
6.	Create the same report using the JOIN function in the following command.
7.	Using table alias in table join
8.	Using key word USING, in which the common linking field is specified.

Using function in where clause during table joining : Using « Join « SQL / MySQL

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