Union grouped value : Union « Select Clause « SQL / MySQL

1. SQL / MySQL
2. Select Clause
3. Union

Union grouped value

   
mysql>
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> SELECT   CAST(TEAMNO AS CHAR(4)) AS TEAMNO,
    ->          CAST(EmployeeNO AS CHAR(4)) AS EmployeeNO,
    ->          SUM(WON + LOST) AS TOTAL
    -> FROM     MATCHES
    -> GROUP BY TEAMNO, EmployeeNO
    -> UNION
    -> SELECT   CAST(TEAMNO AS CHAR(4)),
    ->          'subtotal',
    ->          SUM(WON + LOST)
    -> FROM     MATCHES
    -> GROUP BY TEAMNO
    -> UNION
    -> SELECT   'total', 'total', SUM(WON + LOST)
    -> FROM     MATCHES
    -> ORDER BY 1, 2;
+--------+------------+-------+
| TEAMNO | EmployeeNO | TOTAL |
+--------+------------+-------+
| 1      | 2          |     4 |
| 1      | 44         |     5 |
| 1      | 57         |     3 |
| 1      | 6          |    12 |
| 1      | 8          |     3 |
| 1      | 83         |     3 |
| 1      | subtotal   |    30 |
| 2      | 104        |     5 |
| 2      | 112        |     9 |
| 2      | 27         |     5 |
| 2      | 8          |     3 |
| 2      | subtotal   |    22 |
| total  | total      |    52 |
+--------+------------+-------+
13 rows in set, 2 warnings (0.00 sec)

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

   
    
    
  

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