DATE_SUB(curdate(), INTERVAL 1 SECOND); : DATE_SUB « Date Time Functions « MySQL Tutorial

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MySQL Tutorial » Date Time Functions » DATE_SUB 
14.12.11.DATE_SUB(curdate(), INTERVAL 1 SECOND);
mysql>
mysql> select DATE_SUB(curdate(), INTERVAL SECOND);
+----------------------------------------+
| DATE_SUB(curdate(), INTERVAL SECOND|
+----------------------------------------+
2007-07-21 23:59:59                    |
+----------------------------------------+
row in set (0.00 sec)

mysql>
14.12.DATE_SUB
14.12.1.DATE_SUB(date,INTERVAL expr unit)
14.12.2.DATE_SUB(curdate(), INTERVAL 1 MICROSECOND);
14.12.3.DATE_SUB(curdate(), INTERVAL 1 MINUTE);
14.12.4.DATE_SUB(curdate(), INTERVAL 1 HOUR);
14.12.5.DATE_SUB(curdate(), INTERVAL 1 DAY);
14.12.6.DATE_SUB(curdate(), INTERVAL 1 WEEK);
14.12.7.DATE_SUB(curdate(), INTERVAL 1 MONTH);
14.12.8.DATE_SUB(curdate(), INTERVAL 1 QUARTER);
14.12.9.DATE_SUB(curdate(), INTERVAL 1 YEAR);
14.12.10.DATE_SUB(curdate(), INTERVAL 1.1 SECOND_MICROSECOND);
14.12.11.DATE_SUB(curdate(), INTERVAL 1 SECOND);
14.12.12.DATE_SUB(curdate(), INTERVAL 1.1 SECOND);
14.12.13.DATE_SUB(curdate(), INTERVAL 1.1 MINUTE_MICROSECOND);
14.12.14.DATE_SUB(curdate(), INTERVAL 1.1 MINUTE_SECOND);
14.12.15.select DATE_SUB(curdate(), INTERVAL 1.1 HOUR_MICROSECOND);
14.12.16.select DATE_SUB(curdate(), INTERVAL 1.1 HOUR_SECOND);
14.12.17.select DATE_SUB(curdate(), INTERVAL '1:1:1' HOUR_SECOND);
14.12.18.select DATE_SUB(curdate(), INTERVAL 1.1 HOUR_MINUTE); (with dot)
14.12.19.select DATE_SUB(curdate(), INTERVAL '1:1' HOUR_MINUTE);
14.12.20.select DATE_SUB(curdate(), INTERVAL 1.1 DAY_MICROSECOND);
14.12.21.select DATE_SUB(curdate(), INTERVAL '1 1:1:1' DAY_SECOND);
14.12.22.select DATE_SUB(curdate(), INTERVAL '1 1:1' DAY_MINUTE);
14.12.23.select DATE_SUB(curdate(), INTERVAL '1 1' DAY_HOUR);
14.12.24.select DATE_SUB(curdate(), INTERVAL 1.1 SECOND_MICROSECOND);
14.12.25.select DATE_SUB(curdate(), INTERVAL '1-1' YEAR_MONTH);
14.12.26.select DATE_SUB(curdate(), INTERVAL '1.1' YEAR_MONTH); (with dot)
14.12.27.Selects all rows with a start_date value from within the last 30 days
14.12.28.Getting a date 6 months in the past
14.12.29.Using DATE_SUB function to substract 55 years from current date
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