MySQL 中的 DATE_FORMAT()函数

MySQL 中的 DATE_FORMAT()函数用于将指定的日期格式化为给定的格式值，即，将给出一个日期，该函数将该日期格式化为指定的格式参数。

句法：

DATE_FORMAT(date, format)

参数：此函数接受两个参数，如下所示：

Format	Description
%a	This abbreviation means weekday name. It’s limit is from Sun to Sat.
%b	This abbreviation means month name. It’s limit is from Jan to Dec.
%c	This abbreviation means numeric month name. It’s limit is from 0 to 12.
%D	This abbreviation means day of the month as a numeric value, followed by suffix like 1st, 2nd, etc.
%e	This abbreviation means day of the month as a numeric value. It’s limit is from 0 to 31.
%f	This abbreviation means microseconds. It’s limit is from 000000 to 999999.
%H	This abbreviation means hour. It’s limit is from 00 to 23.
%i	This abbreviation means minutes. It’s limit is from 00 to 59.
%j	This abbreviation means day of the year. It’s limit is from 001 to 366.
%M	This abbreviation means month name from January to December.
%p	This abbreviation means AM or PM.
%S	This abbreviation means seconds. It’s limit is from 00 to 59.
%U	This abbreviation means week where Sunday is the first day of the week. It’s limit is from 00 to 53.
%W	This abbreviation means weekday name from Sunday to Saturday.
%Y	This abbreviation means year as a numeric value of 4-digits.

回报：
它返回格式化的日期。

示例-1：
从指定日期“2020-11-23”获取格式化年份为“2020”。

SELECT DATE_FORMAT("2020-11-23", "%Y");

输出：

示例 2 ：
从指定日期“2020-11-23”获取格式化月份名称为“十一月”。

SELECT DATE_FORMAT("2020-11-23", "%M");

输出：

November

示例 3 ：
从指定日期“2020 年 11 月 23 日”获取月份中的某一天作为数值作为“23rd”。

SELECT DATE_FORMAT("2020-11-23", "%D");

输出：

23rd

示例 4：
从指定日期“2020-11-23”获取月日和年为“November 23 2020”。

SELECT DATE_FORMAT("2020-11-23", "%M %d %Y");

输出：

November 23 2020

示例 5：
从指定的日期和时间“2020-11-23 12:09:23”获取小时和分钟为“12 09”。

SELECT DATE_FORMAT("2020-11-23 12:09:23", "%H %i");

输出：

12 09

应用程序：此函数用于将指定日期格式化为给定的格式值。