Displaying TIMESTAMP Values in Readable Form : TIMESTAMP « Date Time « SQL / MySQL

1. SQL / MySQL
2. Date Time
3. TIMESTAMP

Displaying TIMESTAMP Values in Readable Form

     
mysql>
mysql> CREATE TABLE tsdemo2
    -> (
    ->     t_update TIMESTAMP, # record last-modification time
    ->     t_create TIMESTAMP, # record creation time
    ->     val INT
    -> );
Query OK, 0 rows affected (0.01 sec)

mysql>
mysql> INSERT INTO tsdemo2 (t_update,t_create,val) VALUES(NULL,NULL,5);
Query OK, 1 row affected (0.00 sec)

mysql> SELECT * FROM tsdemo2;
+---------------------+---------------------+------+
| t_update            | t_create            | val  |
+---------------------+---------------------+------+
| 2011-10-03 13:05:53 | 2011-10-03 13:05:53 |    5 |
+---------------------+---------------------+------+
1 row in set (0.00 sec)

mysql>
mysql> UPDATE tsdemo2 SET val = val + 1;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> SELECT * FROM tsdemo2;
+---------------------+---------------------+------+
| t_update            | t_create            | val  |
+---------------------+---------------------+------+
| 2011-10-03 13:05:53 | 2011-10-03 13:05:53 |    6 |
+---------------------+---------------------+------+
1 row in set (0.00 sec)

mysql>
mysql> SELECT t_create, DATE_FORMAT(t_create,'%Y-%m-%d %T') FROM tsdemo2;
+---------------------+-------------------------------------+
| t_create            | DATE_FORMAT(t_create,'%Y-%m-%d %T') |
+---------------------+-------------------------------------+
| 2011-10-03 13:05:53 | 2011-10-03 13:05:53                 |
+---------------------+-------------------------------------+
1 row in set (0.00 sec)

mysql>
mysql> drop table tsdemo2;
Query OK, 0 rows affected (0.00 sec)

   
    
    
    
    
  

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