mysql 날짜 조회 시 date_format 초기화 하여 셀렉트 하기

2021. 1. 13. 17:47데이터베이스/mysql

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※ 자세한 표현식 표

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| Specifier | Description                                                                                               |
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| %a        | Abbreviated weekday name (Sun..Sat)                                                                       |
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| %b        | Abbreviated month name (Jan..Dec)                                                                         |
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| %c        | Month, numeric (0..12)                                                                                    |
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| %D        | Day of the month with English suffix (0th, 1st, 2nd, 3rd, …)                                              |
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| %d        | Day of the month, numeric (00..31)                                                                        |
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| %e        | Day of the month, numeric (0..31)                                                                         |
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| %f        | Microseconds (000000..999999)                                                                             |
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| %H        | Hour (00..23)                                                                                             |
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| %h        | Hour (01..12)                                                                                             |
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| %I        | Hour (01..12)                                                                                             |
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| %i        | Minutes, numeric (00..59)                                                                                 |
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| %j        | Day of year (001..366)                                                                                    |
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| %k        | Hour (0..23)                                                                                              |
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| %l        | Hour (1..12)                                                                                              |
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| %M        | Month name (January..December)                                                                            |
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| %m        | Month, numeric (00..12)                                                                                   |
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| %p        | AM or PM                                                                                                  |
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| %r        | Time, 12-hour (hh:mm:ss followed by AM or PM)                                                             |
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| %S        | Seconds (00..59)                                                                                         |
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| %s        | Seconds (00..59)                                                                                          |
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| %T        | Time, 24-hour (hh:mm:ss)                                                                                  |
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| %U        | Week (00..53), where Sunday is the first day of the week; WEEK() mode 0                                   |
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| %u        | Week (00..53), where Monday is the first day of the week; WEEK() mode 1                                   |
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| %V        | Week (01..53), where Sunday is the first day of the week; WEEK() mode 2; used with %X                     |
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| %v        | Week (01..53), where Monday is the first day of the week; WEEK() mode 3; used with %x                     |
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| %W        | Weekday name (Sunday..Saturday)                                                                           |
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| %w        | Day of the week (0=Sunday..6=Saturday)                                                                    |
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| %X        | Year for the week where Sunday is the first day of the week, numeric, four digits; used with %V           |
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| %x        | Year for the week, where Monday is the first day of the week, numeric, four digits; used with %v          |
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| %Y        | Year, numeric, four digits                                                                                |
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| %y        | Year, numeric (two digits)                                                                                |
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| %%        | A literal % character                                                                                     |
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| %x        | x, for any “x” not listed above                                                                           |
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cs

 

1. 지금 시간!

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SELECT NOW() FROM DUAL;
cs

2. 년월일!

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SELECT date_format(NOW(), '%Y-%m-%d') AS date FROM DUAL;
cs

3. 시분초!

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SELECT date_format(NOW(), '%H:%i:%s') AS time FROM DUAL;
cs

4. 월,요일,시간!

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SELECT date_format(NOW(), '%M - %W - %r') AS date FROM DUAL;
cs

월과 요일은 영어로 표기

포맷 형식 표에 나온대로 보고 원하는대로 조합해서 셀렉트 할수 있습니다.

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