【文件属性】：
文件名称：mysql 日期函数.txt
文件大小：11KB
文件格式：TXT
更新时间：2013-08-05 18:53:29
mysql 日期处理,mysql,函数，mysql函数
1.
2.DAYOFWEEK(date)
3.WEEKDAY(date)
4.DAYOFMONTH(date)
5.DAYOFYEAR(date)
6.MONTH(date)
7.DAYNAME(date)
8.MONTHNAME(date)
9.QUARTER(date)
10.WEEK(date)
WEEK(date,first)
11.YEAR(date)
12.HOUR(time)
13.MINUTE(time)
14.SECOND(time)
15.PERIOD_ADD(P,N)
16.PERIOD_DIFF(P1,P2)
17.DATE_ADD(date,INTERVAL expr type)
DATE_SUB(date,INTERVAL expr type)
ADDDATE(date,INTERVAL expr type)
SUBDATE(date,INTERVAL expr type)
EXTRACT(type FROM date)
18.TO_DAYS(date)
19.FROM_DAYS(N)
20.DATE_FORMAT(date,format)
21.TIME_FORMAT(time,format)
22.CURDATE()
23.CURTIME()
24.SYSDATE()
25.UNIX_TIMESTAMP()
UNIX_TIMESTAMP(date)
26.FROM_UNIXTIME(unix_timestamp)
FROM_UNIXTIME(unix_timestamp,format)
27.SEC_TO_TIME(seconds)
28.TIME_TO_SEC(time)