SQL Server/T-SQL/Date Timezone/DATEPART — различия между версиями

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м (1 версия)
 
(нет различий)

Текущая версия на 10:21, 26 мая 2010

DATEPART(dw,GETDATE())

1>
2> SELECT DATEPART(dw,GETDATE())
3> GO
-----------
          5
(1 rows affected)



DATEPART(m,GETDATE())

1>
2> SELECT DATEPART(m,GETDATE())
3> GO
-----------
         10
(1 rows affected)



DATEPART(mi,GETDATE())

1>
2> SELECT DATEPART(mi,GETDATE())
3> GO
-----------
         15
(1 rows affected)



DATEPART(month, "4-29-1988")

1>
2>
3>
4> -- DATEPART() returns an integer value
5>
6>
7>
8> SELECT DATEPART(month, "4-29-1988")
9> GO
-----------
          4
(1 rows affected)



DATEPART(n,GETDATE())

1>
2> SELECT DATEPART(n,GETDATE())
3> GO
-----------
         15
(1 rows affected)



DATEPART: return part of a date as an integer value

45> -- DATEPART: return part of a date as an integer value.
46>
47> -- DATEPART(part_of_the_date_to_return, the_date)
48>
49> SELECT DATEPART(dw,GETDATE())
50> GO
-----------
          5
(1 rows affected)



Dateparts and Abbreviations

 

Datepart      Abbreviation
year          yy, yyyy
quarter       qq, q
month         mm, m
dayofyear     dy, y
day           dd, d
week          wk, ww
weekday       dw
hour          hh
minute        mi, n
second        ss, s
millisecond   ms



DATEPART(wk,GETDATE())

1>
2> SELECT DATEPART(wk,GETDATE())
3> GO
-----------
         41
(1 rows affected)



DATEPART(yy,GETDATE())

1>
2> SELECT DATEPART(yy,GETDATE())
3> GO
-----------
       2006
(1 rows affected)



select DATEPART(dayofyear, "2002-35:00")

 

3> select DATEPART(dayofyear, "2002-09-30 11:35:00")
4> GO
-----------
        273
(1 rows affected)
1>



select DATEPART(quarter, "2002-35:00")

 

3> select DATEPART(quarter, "2002-09-30 11:35:00")
4> GO
-----------
          3
(1 rows affected)
1>



select DATEPART(week, "2002-35:00")

 

3> select DATEPART(week, "2002-09-30 11:35:00")
4> GO
-----------
         40
(1 rows affected)



select DATEPART(weekday, "2002-35:00")

 

2> select DATEPART(weekday, "2002-09-30 11:35:00")
3> GO
-----------
          2
(1 rows affected)