The width specification is most often used with zerofill : Int « Data Type « SQL / MySQL

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SQL / MySQL » Data Type » Int 
The width specification is most often used with zerofill
       
mysql>
mysql> CREATE TABLE test4(id INT(3ZEROFILL,id2 INT ZEROFILL);
Query OK, rows affected (0.01 sec)

mysql>
mysql> INSERT INTO test4(id,id2VALUES (22,22);
Query OK, row affected (0.00 sec)

mysql>
mysql> SELECT FROM test4;
+------+------------+
| id   | id2        |
+------+------------+
|  022 0000000022 |
+------+------------+
row in set (0.00 sec)

mysql>
mysql>
mysql> drop table test4;
Query OK, rows affected (0.00 sec)

   
    
    
    
    
    
    
  
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