Drop a column : Column « Table Index « SQL / MySQL






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Drop a column

     
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>
mysql> ALTER   TABLE TEAMS
    -> DROP    TYPE;
ERROR 1091 (42000): Can't DROP 'TYPE'; check that column/key exists
mysql>
mysql> drop table teams;
Query OK, 0 rows affected (0.00 sec)

mysql>








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