MySQL STR_TO_DATE（）関数

文字列と形式に基づいて日付を返します。

SELECT STR_TO_DATE("August 10 2017", "%M %d %Y");

定義と使用法

STR_TO_DATE（）関数は、文字列と形式に基づいて日付を返します。

STR_TO_DATE(string, format)

Parameter

Description

string

Required. The string to be formatted to a date

format

Required. The format to use. Can be one or a combination of the following values:

Format	Description
%a	Abbreviated weekday name (Sun to Sat)
%b	Abbreviated month name (Jan to Dec)
%c	Numeric month name (0 to 12)
%D	Day of the month as a numeric value, followed by suffix (1st, 2nd, 3rd, ...)
%d	Day of the month as a numeric value (01 to 31)
%e	Day of the month as a numeric value (0 to 31)
%f	Microseconds (000000 to 999999)
%H	Hour (00 to 23)
%h	Hour (00 to 12)
%I	Hour (00 to 12)
%i	Minutes (00 to 59)
%j	Day of the year (001 to 366)
%k	Hour (0 to 23)
%l	Hour (1 to 12)
%M	Month name in full (January to December)
%m	Month name as a numeric value (01 to 12)
%p	AM or PM
%r	Time in 12 hour AM or PM format (hh:mm:ss AM/PM)
%S	Seconds (00 to 59)
%s	Seconds (00 to 59)
%T	Time in 24 hour format (hh:mm:ss)
%U	Week where Sunday is the first day of the week (00 to 53)
%u	Week where Monday is the first day of the week (00 to 53)
%V	Week where Sunday is the first day of the week (01 to 53). Used with %X
%v	Week where Monday is the first day of the week (01 to 53). Used with %X
%W	Weekday name in full (Sunday to Saturday)
%w	Day of the week where Sunday=0 and Saturday=6
%X	Year for the week where Sunday is the first day of the week. Used with %V
%x	Year for the week where Monday is the first day of the week. Used with %V
%Y	Year as a numeric, 4-digit value
%y	Year as a numeric, 2-digit value

で動作します：	MySQL4.0から

文字列と形式に基づいて日付を返します。

SELECT STR_TO_DATE("August,5,2017", "%M %e %Y");

文字列と形式に基づいて日付を返します。

SELECT STR_TO_DATE("Monday, August 14, 2017", "%W %M %e %Y");

文字列と形式に基づいて日付を返します。

SELECT STR_TO_DATE("2017,8,14 10,40,10", "%Y,%m,%d %h,%i,%s");