MySQL-date time Extract function code example detailed introduction
MySQLDate TimeExtractThe advantage of the function is that you can select various parts of the date and time, from the year all the way to microseconds. Let us use the MySQL date and time processing is easier.
MySQL date and time Extract (select) function.
1. Select various parts of date and time: date, time, year, quarter, month, day, hour, minute, second, microsecond
set @dt = '2008-09-10 07:15:30.123456'; select date(@dt); -- 2008-09-10 select time(@dt); -- 07:15:30.123456 select year(@dt); -- 2008 select quarter(@dt); -- 3 select month(@dt); -- 9 select week(@dt); -- 36 select day(@dt); -- 10 select hour(@dt); -- 7 select minute(@dt); -- 15 select second(@dt); -- 30 select microsecond(@dt); -- 123456
2. MySQL Extract() function can be implemented above Similar functions
set @dt = '2008-09-10 07:15:30.123456'; select extract(year from @dt); -- 2008 select extract(quarter from @dt); -- 3 select extract(month from @dt); -- 9 select extract(week from @dt); -- 36 select extract(day from @dt); -- 10 select extract(hour from @dt); -- 7 select extract(minute from @dt); -- 15 select extract(second from @dt); -- 30 select extract(microsecond from @dt); -- 123456 select extract(year_month from @dt); -- 200809 select extract(day_hour from @dt); -- 1007 select extract(day_minute from @dt); -- 100715 select extract(day_second from @dt); -- 10071530 select extract(day_microsecond from @dt); -- 10071530123456 select extract(hour_minute from @dt); -- 715 select extract(hour_second from @dt); -- 71530 select extract(hour_microsecond from @dt); -- 71530123456 select extract(minute_second from @dt); -- 1530 select extract(minute_microsecond from @dt); -- 1530123456 select extract(second_microsecond from @dt); -- 30123456
MySQL Extract() function has all the other functions except date() and time(). It also has functions such as selecting ‘day_microsecond’. Note that instead of just selecting day and microsecond, you select from the day part of the date all the way to the microsecond part.
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