1. Time to String
The DATE_FORMAT (date, format string)
SELECT DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%s');
2. String transfer time
STR_TO_DATE (string, log format)
SELECT STR_TO_DATE('2019-01-20 16:01:45', '%Y-%m-%d %H:%i:%s');
3. Time turn timestamp
select unix_timestamp(now());
4. The transfer stamp string
select unix_timestamp('2019-01-20');
The timestamp to String
select from_unixtime(1451997924,'%Y-%d');
Date format is attached as follows:
% M month name (January ...... December)
% W week name (Sunday ...... Saturday)
% D dated January English prefix (1st, 2nd, 3rd, etc.) %
In the Y-digital, four
% y in digital, two
% a abbreviated weekday name (Sun ...... Sat)
the number of days in the month% d, digital (00 ...... 31)
days of the month% e, numbers (0 ...... 31)
% m month, digital (01 ...... 12)
% c month, numbers (1 ...... 12)
% b abbreviated month name (Jan ...... Dec)
the number of days in the% j year (001 ...... 366)
% H hour (00 ...... 23 is)
% K h (0 ...... 23 is)
% h H (01 ...... 12 is)
% the I h (01 ...... 12 is)
% L h (12 is ....... 1)
% I min, numbers (00 ...... 59)
% r time, 12 hours (HH: mm: SS [the AP] M)
% T time, 24 hours (HH: mm: SS)
% S seconds (00 ...... 59)
% S seconds (00 ...... 59)
% P AM PM or
days of the week W% (0 = Saturday the Sunday = ....... 6) %
the U-week (0 ...... 52), where the first day of the week is Sunday
% U Week (0 ...... 52), where Monday is the first week
Conclusion: Those difficult life experiences, have become our brave.
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