Order by enum value : ENUM « Data Type « SQL / MySQL






  1. SQL / MySQL
  2. Data Type
  3. ENUM

Order by enum value

   
mysql>
mysql>
mysql> CREATE TABLE EmployeeS_SMALL
    ->       (EmployeeNO     INTEGER NOT NULL PRIMARY KEY,
    ->        NAME         CHAR(15) NOT NULL,
    ->        INITIALS     CHAR(3) NOT NULL,
    ->        BIRTH_DATE   DATE,
    ->        SEX          ENUM ('M','F'));
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>
mysql> INSERT INTO EmployeeS_SMALL
    -> VALUES (24, 'Jones', 'P', '1985-04-22', 'M')
    -> ;
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS_SMALL
    -> VALUES (25, 'Marx', 'L', '1981-07-01', 'F')
    -> ;
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS_SMALL
    -> VALUES (111, 'Cruise', 'T', '1982-11-11', 'm')
    -> ;
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO EmployeeS_SMALL
    -> VALUES (199, 'Schroder', 'L', '1970-02-12', 'X')
    -> ;
Query OK, 1 row affected, 1 warning (0.00 sec)

mysql> INSERT INTO EmployeeS_SMALL
    -> VALUES (201, 'Lie', 'T', '1972-02-12', NULL)
    -> ;
Query OK, 1 row affected (0.00 sec)

mysql> SELECT * FROM EmployeeS_SMALL;
+------------+----------+----------+------------+------+
| EmployeeNO | NAME     | INITIALS | BIRTH_DATE | SEX  |
+------------+----------+----------+------------+------+
|         24 | Jones    | P        | 1985-04-22 | M    |
|         25 | Marx     | L        | 1981-07-01 | F    |
|        111 | Cruise   | T        | 1982-11-11 | M    |
|        199 | Schroder | L        | 1970-02-12 |      |
|        201 | Lie      | T        | 1972-02-12 | NULL |
+------------+----------+----------+------------+------+
5 rows in set (0.00 sec)

mysql>
mysql> SELECT   EmployeeNO, SEX
    -> FROM     EmployeeS_SMALL
    -> ORDER BY SEX;
+------------+------+
| EmployeeNO | SEX  |
+------------+------+
|        201 | NULL |
|        199 |      |
|         24 | M    |
|        111 | M    |
|         25 | F    |
+------------+------+
5 rows in set (0.00 sec)

mysql>
mysql> DROP TABLE EmployeeS_SMALL;
Query OK, 0 rows affected (0.00 sec)

mysql>








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