Changing a Column Definition or Name : Column « Table Index « SQL / MySQL

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SQL / MySQL » Table Index » Column

Changing a Column Definition or Name

      

mysql>

mysql>

mysql> CREATE TABLE mytbl

    -> (

    ->     i INT,

    ->     c CHAR(1)

    -> );

Query OK, 0 rows affected (0.00 sec)



mysql>

mysql>

mysql> ALTER TABLE mytbl MODIFY c CHAR(10);

Query OK, 0 rows affected (0.01 sec)

Records: 0  Duplicates: 0  Warnings: 0



mysql>

mysql> drop table mytbl;

Query OK, 0 rows affected (0.00 sec)

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