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mysql时间日期函数例子

2019/10/10/17:37:47  阅读:1957  来源:谷歌SEO算法  标签: SEO教程

下面本文章给各位整理了不少的mysql时间日期函数例子了,下面我们一起来看看这些日期时间函数的一些应用例子,希望文章对各位会有帮助.

1.DAYOFWEEK(date);返回data时间是周几(1 => 星期日,2 => 星期一,3 => 星期二,……,7 => 星期六).

  1. mysql>selectDAYOFWEEK('2013-06-0914:00:00');
  2. +----------------------------------+
  3. |DAYOFWEEK('2013-06-0914:00:00')|
  4. +----------------------------------+
  5. |1|
  6. +----------------------------------+

2.DAYOFMONTH(date);返回date是一个月的第几天 1——31

  1. mysql>selectDAYOFMONTH('2013-06-0914:00:00');
  2. +-----------------------------------+
  3. |DAYOFMONTH('2013-06-0914:00:00')|
  4. +-----------------------------------+
  5. |9|
  6. +-----------------------------------+

3.DAYOFYEAR(date);返回date是一年中的第几天 1———366

  1. mysql>selectDAYOFYEAR('2013-06-0914:00:00');
  2. +----------------------------------+
  3. |DAYOFYEAR('2013-06-0914:00:00')|
  4. +----------------------------------+
  5. |160|
  6. +----------------------------------+

4.WEEKDAY(date);返回date是周几(0 => 星期一,1 => 星期二,2 => 星期三,……, 6=> 星期日).

  1. mysql>selectWEEKDAY('2013-06-0914:00:00');
  2. +--------------------------------+
  3. |WEEKDAY('2013-06-0914:00:00')|
  4. +--------------------------------+
  5. |6|
  6. +--------------------------------+

5.MONTH(date);返回date的月份 1—–12

  1. mysql>selectMONTH('2013-06-0914:00:00');
  2. +------------------------------+
  3. |MONTH('2013-06-0914:00:00')|
  4. +------------------------------+
  5. |6|
  6. +------------------------------+

6.DAYNAME(date);返回date的星期英文名

  1. mysql>selectDAYNAME('2013-06-0914:00:00');
  2. +--------------------------------+
  3. |DAYNAME('2013-06-0914:00:00')|
  4. +--------------------------------+
  5. |Sunday|
  6. +--------------------------------+

7.MONTHNAME(date);返回date的月份的英文名

  1. mysql>selectMONTHNAME('2013-06-0914:00:00');
  2. +----------------------------------+
  3. |MONTHNAME('2013-06-0914:00:00')|
  4. +----------------------------------+
  5. |June|
  6. +----------------------------------+

8.QUARTER(date);返回date在季度中的排序 1——-4

  1. mysql>selectQUARTER('2013-06-0914:00:00');
  2. +--------------------------------+
  3. |QUARTER('2013-06-0914:00:00')|
  4. +--------------------------------+
  5. |2|
  6. +--------------------------------+

9.WEEK(date,first);返回date是一年的第几个周,first = 0从星期日开始算,first = 1从星期一开始算 默认为00——–52

  1. mysql>selectWEEK('2013-06-0914:00:00',0);
  2. +-------------------------------+
  3. |WEEK('2013-06-0914:00:00',0)|
  4. +-------------------------------+
  5. |23|
  6. +-------------------------------+

10.HOUR(date);返回date的小时部分

  1. mysql>selectHOUR('2013-06-0914:00:00');
  2. +-----------------------------+
  3. |HOUR('2013-06-0914:00:00')|
  4. +-----------------------------+
  5. |14|
  6. +-----------------------------+

11.YEAR(date);返回date的年份部分

  1. mysql>selectYEAR('2013-06-0914:00:00');
  2. +-----------------------------+
  3. |YEAR('2013-06-0914:00:00')|
  4. +-----------------------------+
  5. |2013|
  6. +-----------------------------+

12.MINUTE(date);返回date的分钟部分

  1. mysql>selectMINUTE('2013-06-0914:22:22');
  2. +-------------------------------+
  3. |MINUTE('2013-06-0914:22:22')|
  4. +-------------------------------+
  5. |22|
  6. +-------------------------------+

13.SECOND(date);返回date的秒部分

  1. mysql>selectSECOND('2013-06-0914:22:22');
  2. +-------------------------------+
  3. |SECOND('2013-06-0914:22:22')|
  4. +-------------------------------+
  5. |22|
  6. +-------------------------------+

14.PERIOD_ADD(date,num);date加上num后的日期 date的日期格式为 yyyymmdd 或者yyyymm,若精确到日num单位是日,若是月则num为月单位增加

  1. mysql>selectPERIOD_ADD(201306,3);
  2. +----------------------+
  3. |PERIOD_ADD(201306,3)|
  4. +----------------------+
  5. |201309|
  6. +----------------------+
  7. mysql>selectPERIOD_ADD(20130609,3);
  8. +------------------------+
  9. |PERIOD_ADD(20130609,3)|
  10. +------------------------+
  11. |20130612|
  12. +------------------------+

15.PERIOD_DIFF(date1,date2);date1减去date2的差值月数

  1. mysql>selectPERIOD_DIFF(201306,201309);
  2. +----------------------------+
  3. |PERIOD_DIFF(201306,201309)|
  4. +----------------------------+
  5. |-3|
  6. +----------------------------+

16.DATE_ADD(date, INTERVAL num type) == ADDDATE(date, INTERVAL num type);DATE_SUB(date, INTERVAL num type) == SUBDATE(date, INTERVAL num type);date相加或者相减一个制定的单位时间.

type的值:SECOND,MINUTE,HOUR,DAY,MONTH,WEEK,MONTH,YEAR

  1. mysql>selectDATE_ADD('2013-06-0914:22:22',INTERVAL1DAY);
  2. +------------------------------------------------+
  3. |DATE_ADD('2013-06-0914:22:22',INTERVAL1DAY)|
  4. +------------------------------------------------+
  5. |2013-06-1014:22:22|
  6. +------------------------------------------------+
  7. mysql>selectADDDATE('2013-06-0914:22:22',INTERVAL1DAY);
  8. +-----------------------------------------------+
  9. |ADDDATE('2013-06-0914:22:22',INTERVAL1DAY)|
  10. +-----------------------------------------------+
  11. |2013-06-1014:22:22|
  12. +-----------------------------------------------+

16.TO_DAYS(date);给定一个日期返回一个天数(从0年开始的天数)

  1. mysql>selectTO_DAYS('2013-06-0914:22:22');
  2. +--------------------------------+
  3. |TO_DAYS('2013-06-0914:22:22')|
  4. +--------------------------------+
  5. |735393|
  6. +--------------------------------+

17.FROM_DAYS(num);给定一个天数 返回一个日期

  1. mysql>selectFROM_DAYS(752341);
  2. +-------------------+
  3. |FROM_DAYS(752341)|
  4. +-------------------+
  5. |2059-11-03|
  6. +-------------------+

18.DATE_FORMAT(date,format);格式化日期

%W 星期名字(Sunday……Saturday)

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