SQL parameter DATE_FORMAT pre funkcie na prácu s časom

 

SQL -> Funkcie -> Funkcie pre prácu s dátumom a časom -> SQL parameter DATE_FORMAT pre funkcie na prácu s časom

Nastavenie argumentu interval


Skupina
Formát
Definícia
Roky
YYYY
Four digit year (most commonly used)
Roky
YYY
Day of the week fully spelled out (e.g. TUESDAY)
Roky
YY
Day of the week fully spelled out (e.g. TUESDAY)
Roky
Y
Day of the week fully spelled out (e.g. TUESDAY)
Roky
SYYYY
Signed year. BC is negative, and AD is positive
Roky
IYYY
*ISO four digit year
Roky
IYY
*ISO three digit year
Roky
IY
*ISO two digit year
Roky
I
*ISO one digit year
Roky
RR
Last two digits of year relative to current date
Roky
YEAR
Year spelled out (e.g. TWO THOUSAND NINE)
Roky
CC, SCC
Storočie
Mesiace
MM
Number of Mesiace since the new year (e.g. 2 = February, most commonly used)
Mesiace
MON
Three letter abbreviation for month (e.g. AUG = AUGUST)
Mesiace
MONTH
Month spelled out fully (e.g. JANUARY)
Mesiace
RM
Roman numeral version of MM (e.g. IV = April)
Mesiace
Q
Current quarter, always 1-4
Dni
DDD
Number of Dni since Jan 1 in the current year
Dni
DD
Number of Dni since the beginning of the month (most commonly used)
Dni
D
Number of Dni since the beginning of the week (e.g. 2 = Monday)
Dni
DAY
Day of the week fully spelled out (e.g. TUESDAY)
Dni
DY
Day of the week abbreviated to three letters (e.g. TUE)
Dni
J
Julian Dni since December 31, 4713, B.C.
Týždne
WW
The current week number in the year (e.g. 3 = third week in January)
Týždne
IW
*Week in year based on ISO standard
Týždne
W
Number of current week in the month
Hodiny
HH
Number of Hodiny, always 1-12(most commonly used)
Hodiny
HH12
More formal version of HH
Hodiny
HH24
24 hour time, always 0-23
Minúty
MI
Number of Minúty past the current hour, always 0-59
Sekundy
HH
Sekundy past the current minute, always 0-59 (most commonly used)
Sekundy
SSSS
Number of Sekundy since midnight, always 0-86399
Qualifiers
A.M. or P.M.
Displays, or converts A.M. or P.M. notations. In TO_CHAR, both A.M. and P.M. provide equivalent functions. In TO_DATE, each represents a time of day (e.g. before or after noon)
Qualifiers
AM or PM
Same as above, only without the periods (i.e. "AM" vs "A.M.")
Qualifiers
B.C. or A.D.
In TO_CHAR, both result in displaying the century qualifier. In TO_DATE, either one will result in conversion to the appropriate epoch.
Qualifiers
BC or AD
Same as above, only without the periods (i.e. "BC" vs "B.C.")
Punctionation
.,:-/
All five of these characters are treated as punctionation and either displayed (TO_CHAR) or ignored (TO_DATE).


*The ISO values refer to ISO 8601, which uses different (and very specific) rules for determining which year to represent based on a given date. Please see the actual standard for the official rules.

Parameter interval používajú funkcie


TO_CHAR(date)
TRUNC(date)



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