• 日期和时间函数
NOW()
select NOW();+------------+
| NOW() |
+------------+
| 1615788407 |
+------------+CURTIME()
select CURTIME();+-----------+
| CURTIME() |
+-----------+
| 07:06:30 |
+-----------+CURDATE()
UTC_TIME()
UTC_TIMESTAMP()
SECOND()
MINUTE()
HOUR()
DAY()
MONTH()
QUARTER()
YEAR()
DAYNAME()
MONTHNAME()
DAYOFWEEK()
DAYOFYEAR()
YEARWEEK()
YEARMONTH()
YEARMONTHDAY()
TIMEDIFF()
DATEDIFF()
DATE()
TIME()
DATE_FORMAT()
DATE_HISTOGRAM()
DATE_RANGE()
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