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Set new delay time in a MySQL column
To set new delay time, use INTERVAL and update the column wth SETa clause and UPDATE command. Let us first create a table −
mysql> create table DemoTable ( DelayTime time ); Query OK, 0 rows affected (1.21 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('11 :30 :10');
Query OK, 1 row affected (0.21 sec)
mysql> insert into DemoTable values('12 :40 :00');
Query OK, 1 row affected (0.13 sec)
mysql> insert into DemoTable values('05 :45 :24');
Query OK, 1 row affected (0.10 sec)
mysql> insert into DemoTable values('09 :00 :10');
Query OK, 1 row affected (0.18 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+------------+ | DelayTime | +------------+ | 11 :30 :10 | | 12 :40 :00 | | 05 :45 :24 | | 09 :00 :10 | +------------+ 4 rows in set (0.00 sec)
Following is the query to set new delay time −
mysql> select date_add(DelayTime,interval 10 second) AS `NewDelayTime` from DemoTable;
This will produce the following output −
+--------------+ | NewDelayTime | +--------------+ | 11 :30 :20 | | 12 :40 :10 | | 05 :45 :34 | | 09 :00 :20 | +--------------+ 4 rows in set (0.00 sec)
Updated on: 09-Oct-2019
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