TIMEDIFF
Sintassi
TIMEDIFF(espr1, espr2)
Spiegazione
TIMEDIFF() restituisce espr1 - espr2 come valore TIME. espr1 ed espr2 sono espressioni TIME o DATETIME, ma entrambi devono essere dello stesso tipo.
Esempi
MariaDB [(none)]> SELECT TIMEDIFF('2000:01:01 00:00:00', '2000:01:01 00:00:00.000001');
+---------------------------------------------------------------+
| TIMEDIFF('2000:01:01 00:00:00', '2000:01:01 00:00:00.000001') |
+---------------------------------------------------------------+
| -00:00:00.000001 |
+---------------------------------------------------------------+
1 row in set (0.00 sec)
MariaDB [(none)]> SELECT TIMEDIFF('2008-12-31 23:59:59.000001', '2008-12-30 01:01:01.000002');
+----------------------------------------------------------------------+
| TIMEDIFF('2008-12-31 23:59:59.000001', '2008-12-30 01:01:01.000002') |
+----------------------------------------------------------------------+
| 46:58:57.999999 |
+----------------------------------------------------------------------+
1 row in set (0.00 sec)
MariaDB [(none)]>
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