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from_days(to_days("960101")) to_days(960201)-to_days("19960101") to_days(date_add(curdate(), interval 1 day))-to_days(curdate()) weekday("1997-11-29")
1996-01-01 31 1 5
period_add("9602",-12) period_diff(199505,"9404")
199502 13
now()-now() weekday(curdate())-weekday(now()) unix_timestamp()-unix_timestamp(now())
0 0 0
from_unixtime(unix_timestamp("1994-03-02 10:11:12")) from_unixtime(unix_timestamp("1994-03-02 10:11:12"),"%Y-%m-%d %h:%i:%s") from_unixtime(unix_timestamp("1994-03-02 10:11:12"))+0
1994-03-02 10:11:12 1994-03-02 10:11:12 19940302101112
sec_to_time(9001) sec_to_time(9001)+0 time_to_sec("15:12:22") sec_to_time(time_to_sec("0:30:47")/6.21)
02:30:01 23001 54742 00:04:57
sec_to_time(time_to_sec('-838:59:59'))
-838:59:59
now()-curdate()*1000000-curtime()
0
strcmp(current_timestamp(),concat(current_date()," ",current_time()))
0
date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")
January Thursday 2nd 1997 97 01 02 03 04 05 4
date_format("1997-01-02", concat("%M %W %D ","%Y %y %m %d %h %i %s %w"))
January Thursday 2nd 1997 97 01 02 12 00 00 4
dayofmonth("1997-01-02") dayofmonth(19970323)
2 23
month("1997-01-02") year("98-02-03") dayofyear("1997-12-31")
1 1998 365
month("2001-02-00") year("2001-00-00")
2 2001
DAYOFYEAR("1997-03-03") WEEK("1998-03-03") QUARTER(980303)
62 9 1
HOUR("1997-03-03 23:03:22") MINUTE("23:03:22") SECOND(230322)
23 3 22
week(19980101) week(19970101) week(19980101,1) week(19970101,1)
0 1 1 1
week(19981231) week(19971231) week(19981231,1) week(19971231,1)
52 53 53 53
week(19950101) week(19950101,1)
1 0
yearweek('1981-12-31',1) yearweek('1982-01-01',1) yearweek('1982-12-31',1) yearweek('1983-01-01',1)
198153 198153 198252 198252
date_format('1998-12-31','%x-%v') date_format('1999-01-01','%x-%v')
1998-53 1998-53
date_format('1999-12-31','%x-%v') date_format('2000-01-01','%x-%v')
1999-52 1999-52
yearweek('1987-01-01',1) yearweek('1987-01-01')
198701 198653
dayname("1962-03-03") dayname("1962-03-03")+0
Saturday 5
monthname("1972-03-04") monthname("1972-03-04")+0
March 3
time_format(19980131000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
00|12|0|12|00|AM|12:00:00 AM|00|00:00:00
time_format(19980131010203,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
01|01|1|1|02|AM|01:02:03 AM|03|01:02:03
time_format(19980131131415,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
13|01|13|1|14|PM|01:14:15 PM|15|13:14:15
time_format(19980131010015,'%H|%I|%k|%l|%i|%p|%r|%S|%T')
01|01|1|1|00|AM|01:00:15 AM|15|01:00:15
date_format(concat('19980131',131415),'%H|%I|%k|%l|%i|%p|%r|%S|%T| %M|%W|%D|%Y|%y|%a|%b|%j|%m|%d|%h|%s|%w')
13|01|13|1|14|PM|01:14:15 PM|15|13:14:15| January|Saturday|31st|1998|98|Sat|Jan|031|01|31|01|15|6
date_format(19980021000000,'%H|%I|%k|%l|%i|%p|%r|%S|%T| %M|%W|%D|%Y|%y|%a|%b|%j|%m|%d|%h|%s|%w')
NULL
date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND)
1998-01-01 00:00:00
date_add("1997-12-31 23:59:59",INTERVAL 1 MINUTE)
1998-01-01 00:00:59
date_add("1997-12-31 23:59:59",INTERVAL 1 HOUR)
1998-01-01 00:59:59
date_add("1997-12-31 23:59:59",INTERVAL 1 DAY)
1998-01-01 23:59:59
date_add("1997-12-31 23:59:59",INTERVAL 1 MONTH)
1998-01-31 23:59:59
date_add("1997-12-31 23:59:59",INTERVAL 1 YEAR)
1998-12-31 23:59:59
date_add("1997-12-31 23:59:59",INTERVAL "1:1" MINUTE_SECOND)
1998-01-01 00:01:00
date_add("1997-12-31 23:59:59",INTERVAL "1:1" HOUR_MINUTE)
1998-01-01 01:00:59
date_add("1997-12-31 23:59:59",INTERVAL "1:1" DAY_HOUR)
1998-01-02 00:59:59
date_add("1997-12-31 23:59:59",INTERVAL "1 1" YEAR_MONTH)
1999-01-31 23:59:59
date_add("1997-12-31 23:59:59",INTERVAL "1:1:1" HOUR_SECOND)
1998-01-01 01:01:00
date_add("1997-12-31 23:59:59",INTERVAL "1 1:1" DAY_MINUTE)
1998-01-02 01:00:59
date_add("1997-12-31 23:59:59",INTERVAL "1 1:1:1" DAY_SECOND)
1998-01-02 01:01:00
date_sub("1998-01-01 00:00:00",INTERVAL 1 SECOND)
1997-12-31 23:59:59
date_sub("1998-01-01 00:00:00",INTERVAL 1 MINUTE)
1997-12-31 23:59:00
date_sub("1998-01-01 00:00:00",INTERVAL 1 HOUR)
1997-12-31 23:00:00
date_sub("1998-01-01 00:00:00",INTERVAL 1 DAY)
1997-12-31 00:00:00
date_sub("1998-01-01 00:00:00",INTERVAL 1 MONTH)
1997-12-01 00:00:00
date_sub("1998-01-01 00:00:00",INTERVAL 1 YEAR)
1997-01-01 00:00:00
date_sub("1998-01-01 00:00:00",INTERVAL "1:1" MINUTE_SECOND)
1997-12-31 23:58:59
date_sub("1998-01-01 00:00:00",INTERVAL "1:1" HOUR_MINUTE)
1997-12-31 22:59:00
date_sub("1998-01-01 00:00:00",INTERVAL "1:1" DAY_HOUR)
1997-12-30 23:00:00
date_sub("1998-01-01 00:00:00",INTERVAL "1 1" YEAR_MONTH)
1996-12-01 00:00:00
date_sub("1998-01-01 00:00:00",INTERVAL "1:1:1" HOUR_SECOND)
1997-12-31 22:58:59
date_sub("1998-01-01 00:00:00",INTERVAL "1 1:1" DAY_MINUTE)
1997-12-30 22:59:00
date_sub("1998-01-01 00:00:00",INTERVAL "1 1:1:1" DAY_SECOND)
1997-12-30 22:58:59
date_add("1997-12-31 23:59:59",INTERVAL 100000 SECOND)
1998-01-02 03:46:39
date_add("1997-12-31 23:59:59",INTERVAL -100000 MINUTE)
1997-10-23 13:19:59
date_add("1997-12-31 23:59:59",INTERVAL 100000 HOUR)
2009-05-29 15:59:59
date_add("1997-12-31 23:59:59",INTERVAL -100000 DAY)
1724-03-17 23:59:59
date_add("1997-12-31 23:59:59",INTERVAL 100000 MONTH)
NULL
date_add("1997-12-31 23:59:59",INTERVAL -100000 YEAR)
NULL
date_add("1997-12-31 23:59:59",INTERVAL "10000:1" MINUTE_SECOND)
1998-01-07 22:40:00
date_add("1997-12-31 23:59:59",INTERVAL "-10000:1" HOUR_MINUTE)
1996-11-10 07:58:59
date_add("1997-12-31 23:59:59",INTERVAL "10000:1" DAY_HOUR)
2025-05-19 00:59:59
date_add("1997-12-31 23:59:59",INTERVAL "-100 1" YEAR_MONTH)
1897-11-30 23:59:59
date_add("1997-12-31 23:59:59",INTERVAL "10000:99:99" HOUR_SECOND)
1999-02-21 17:40:38
date_add("1997-12-31 23:59:59",INTERVAL " -10000 99:99" DAY_MINUTE)
1970-08-11 19:20:59
date_add("1997-12-31 23:59:59",INTERVAL "10000 99:99:99" DAY_SECOND)
2025-05-23 04:40:38
"1997-12-31 23:59:59" + INTERVAL 1 SECOND
1998-01-01 00:00:00
INTERVAL 1 DAY + "1997-12-31"
1998-01-01
"1998-01-01 00:00:00" - INTERVAL 1 SECOND
1997-12-31 23:59:59
date_sub("1998-01-02",INTERVAL 31 DAY)
1997-12-02
date_add("1997-12-31",INTERVAL 1 SECOND)
1997-12-31 00:00:01
date_add("1997-12-31",INTERVAL 1 DAY)
1998-01-01
date_add(NULL,INTERVAL 100000 SECOND)
NULL
date_add("1997-12-31 23:59:59",INTERVAL NULL SECOND)
NULL
date_add("1997-12-31 23:59:59",INTERVAL NULL MINUTE_SECOND)
NULL
date_add("9999-12-31 23:59:59",INTERVAL 1 SECOND)
NULL
date_sub("0000-00-00 00:00:00",INTERVAL 1 SECOND)
NULL
date_add('1998-01-30',Interval 1 month)
1998-02-28
date_add('1998-01-30',Interval '2:1' year_month)
2000-02-29
date_add('1996-02-29',Interval '1' year)
1997-02-28
extract(YEAR FROM "1999-01-02 10:11:12")
1999
extract(YEAR_MONTH FROM "1999-01-02")
199901
extract(DAY FROM "1999-01-02")
2
extract(DAY_HOUR FROM "1999-01-02 10:11:12")
210
extract(DAY_MINUTE FROM "02 10:11:12")
21011
extract(DAY_SECOND FROM "225 10:11:12")
225101112
extract(HOUR FROM "1999-01-02 10:11:12")
10
extract(HOUR_MINUTE FROM "10:11:12")
1011
extract(HOUR_SECOND FROM "10:11:12")
101112
extract(MINUTE FROM "10:11:12")
11
extract(MINUTE_SECOND FROM "10:11:12")
1112
extract(SECOND FROM "1999-01-02 10:11:12")
12
extract(MONTH FROM "2001-02-00")
2
ctime hour(ctime)
2001-01-12 12:23:40 12
monthname(date)
NULL
January
monthname(date)
NULL
January
month(updated)
NULL
year(updated)
NULL
dayofyear("0000-00-00") dayofyear(d) dayofyear(dt) dayofyear(t) dayofyear(c)
NULL NULL NULL NULL NULL
dayofmonth("0000-00-00") dayofmonth(d) dayofmonth(dt) dayofmonth(t) dayofmonth(c)
0 0 0 0 0
month("0000-00-00") month(d) month(dt) month(t) month(c)
0 0 0 0 0
quarter("0000-00-00") quarter(d) quarter(dt) quarter(t) quarter(c)
0 0 0 0 0
week("0000-00-00") week(d) week(dt) week(t) week(c)
NULL NULL NULL NULL NULL
year("0000-00-00") year(d) year(dt) year(t) year(c)
0 0 0 0 0
yearweek("0000-00-00") yearweek(d) yearweek(dt) yearweek(t) yearweek(c)
NULL NULL NULL NULL NULL
to_days("0000-00-00") to_days(d) to_days(dt) to_days(t) to_days(c)
NULL NULL NULL NULL NULL
extract(MONTH FROM "0000-00-00") extract(MONTH FROM d) extract(MONTH FROM dt) extract(MONTH FROM t) extract(MONTH FROM c)
0 0 0 0 0
|
