Change j from INT to BIGINT : Alter Table « Table Index « SQL / MySQL

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Change j from INT to BIGINT

      
mysql>
mysql>
mysql> CREATE TABLE mytbl
    -> (
    ->     j INT,
    ->     c CHAR(1)
    -> );
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> ALTER TABLE mytbl MODIFY j BIGINT;
Query OK, 0 rows affected (0.01 sec)
Records: 0  Duplicates: 0  Warnings: 0

mysql>
mysql> SHOW COLUMNS FROM mytbl LIKE 'j';
+-------+------------+------+-----+---------+-------+
| Field | Type       | Null | Key | Default | Extra |
+-------+------------+------+-----+---------+-------+
| j     | bigint(20) | YES  |     | NULL    |       |
+-------+------------+------+-----+---------+-------+
1 row in set (0.00 sec)

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

   
    
    
    
    
    
  

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