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Difference between two timestamps in seconds in MySQL?

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Difference between two timestamps in seconds in MySQL?

Now let us see the following method to calculate the time difference (in seconds) between two timestamps.

method

The following is a query to calculate the difference between two timestamps.

mysql> SELECT TIMESTAMPDIFF(SECOND, '2018-10-17 11:51:55', '2018-10-17 11:51:58');

The following is the output in seconds.

+---------------------------------------------------------------------+
| TIMESTAMPDIFF(SECOND, '2018-10-17 11:51:55', '2018-10-17 11:51:58') |
+---------------------------------------------------------------------+
|                                                                   3 |
+---------------------------------------------------------------------+
1 row in set (0.00 sec)

Method 2

The following is a query to calculate the difference between two timestamps with the help of UNIX Timestamp.

mysql>  SELECT UNIX_TIMESTAMP('2018-10-17 11:57:50') - UNIX_TIMESTAMP('2018-10-17 11:57:45') as DifferenceInSeconds;

The following is the output in seconds.

+---------------------+
| DifferenceInSeconds |
+---------------------+
|                   5 |
+---------------------+
1 row in set (0.00 sec)

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