SELECT SYSDATE(), SLEEP(2), SYSDATE(); : SYSDATE « Date Time Functions « MySQL Tutorial

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MySQL Tutorial » Date Time Functions » SYSDATE 
14. 42. 2. SELECT SYSDATE(), SLEEP(2), SYSDATE();
mysql>
mysql> SELECT SYSDATE(), SLEEP(2), SYSDATE();
+---------------------+----------+---------------------+
| SYSDATE()           | SLEEP(2) | SYSDATE()           |
+---------------------+----------+---------------------+
| 2007-07-22 19:46:15 |        0 | 2007-07-22 19:46:17 |
+---------------------+----------+---------------------+
1 row in set (2.02 sec)

mysql>
14. 42. SYSDATE
14. 42. 1. SYSDATE() returns the current date and time.
14. 42. 2. SELECT SYSDATE(), SLEEP(2), SYSDATE();
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