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MySQL DATE_FORMAT() 본문
MySQL 날짜함수, 시간함수
DATE_FORMAT()
- 날짜를 지정된 형태의 문자열로 바꾸어준다.
DATE_FORMAT(date, format)
의 형태로 사용
Formats the date value according to the format string.
The specifiers shown in the following table may be used in the format string. The % character is required before format specifier characters. The specifiers apply to other functions as well: STR_TO_DATE(), TIME_FORMAT(), UNIX_TIMESTAMP()
Specifier | Description |
%a | Abbreviated weekday name (Sun..Sat) |
%b | Abbreviated month name (Jan..Dec) |
%c | Month, numeric (0..12) |
%D | Day of the month with English suffix (0th, 1st, 2nd, 3rd, …) |
%d | Day of the month, numeric (00..31) |
%e | Day of the month, numeric (0..31) |
%f | Microseconds (000000..999999) |
%H | Hour (00..23) |
%h | Hour (01..12) |
%I | Hour (01..12) |
%i | Minutes, numeric (00..59) |
%j | Day of year (001..366) |
%k | Hour (0..23) |
%l | Hour (1..12) |
%M | Month name (January..December) |
%m | Month, numeric (00..12) |
%p | AM or PM |
%r | Time, 12-hour (hh:mm:ss followed by AM or PM) |
%S | Seconds (00..59) |
%s | Seconds (00..59) |
%T | Time, 24-hour (hh:mm:ss) |
%U | Week (00..53), where Sunday is the first day of the week; WEEK() mode 0 |
%u | Week (00..53), where Monday is the first day of the week; WEEK() mode 1 |
%V | Week (01..53), where Sunday is the first day of the week; WEEK() mode 2; used with %X |
%v | Week (01..53), where Monday is the first day of the week; WEEK() mode 3; used with %x |
%W | Weekday name (Sunday..Saturday) |
%w | Day of the week (0=Sunday..6=Saturday) |
%X | Year for the week where Sunday is the first day of the week, numeric, four digits; used with %V |
%x | Year for the week, where Monday is the first day of the week, numeric, four digits; used with %v |
%Y | Year, numeric, four digits |
%y | Year, numeric (two digits) |
%% | A literal % character |
%x | , for any “x” not listed above |
Ramges for the month and day specifiers begin with zero due to the fact that MySQL permits the storing of incomplete dates such as '2014-00-00'
The language used for day and month names and abbreviations is controlled by the value of the lc_time_names system variable.
For the %U, %u, %V and %v specifiers, see the description of the WEEK() function for information about the mode values. The mode affects how week numbering occurs.
DATE_FORMAT() retuns a string with a character set and collation given by character_set_connection and collation_connection so that it can return month and weekday names contabing non-ASCII characters.
mysql> SELECT DATE_FORMAT('2020-04-1 :15:00:00', '%W %M %Y');
+-------------------------------------------------+
| DATE_FORMAT('2020-04-01 :15:00:00', '%W %M %Y') |
+-------------------------------------------------+
| Wednesday April 2020 |
+-------------------------------------------------+
1 row in set (0.04 sec)
mysql> SELECT DATE_FORMAT('2020-04-01 :15:00:00', '%Y %m %d');
+-------------------------------------------------+
| DATE_FORMAT('2020-04-01 :15:00:00', '%Y %m %d') |
+-------------------------------------------------+
| 2020 04 01 |
+-------------------------------------------------+
1 row in set (0.01 sec)
mysql> SELECT DATE_FORMAT('2020-04-01 :15:00:00', '%Y-%m-%d');
+-------------------------------------------------+
| DATE_FORMAT('2020-04-01 :15:00:00', '%Y-%m-%d') |
+-------------------------------------------------+
| 2020-04-01 |
+-------------------------------------------------+
1 row in set (0.00 sec)
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