SQL Server/T-SQL/Date Timezone/Year — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 10:21, 26 мая 2010
Содержание
select YEAR("2002-09-30")
3>
4> select YEAR("2002-09-30")
5> GO
-----------
2002
(1 rows affected)
The DAY(), MONTH(), and YEAR() Functions
1>
2> -- The DAY(), MONTH(), and YEAR() Functions
3>
4> -- These three functions return an integer date part of a DateTime or SmallDateTime --
5> -- type value.
6>
7>
8> SELECT "Year: " + CONVERT(VarChar(4), YEAR(GETDATE()))
9> + ", Month: " + CONVERT(VarChar(2), MONTH(GETDATE()))
10> + ", Day: " + CONVERT(VarChar(2), DAY(GETDATE()))
11>
12> GO
------------------------------
Year: 2006, Month: 10, Day: 12
(1 rows affected)
1>
Using Functions in Queries
1> create table employee(
2> ID int,
3> name nvarchar (10),
4> salary int,
5> start_date datetime,
6> city nvarchar (10),
7> region char (1))
8> GO
1>
2> insert into employee (ID, name, salary, start_date, city, region)
3> values (1, "Jason", 40420, "02/01/94", "New York", "W")
4> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (2, "Robert",14420, "01/02/95", "Vancouver","N")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (3, "Celia", 24020, "12/03/96", "Toronto", "W")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (4, "Linda", 40620, "11/04/97", "New York", "N")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (5, "David", 80026, "10/05/98", "Vancouver","W")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (6, "James", 70060, "09/06/99", "Toronto", "N")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (7, "Alison",90620, "08/07/00", "New York", "W")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (8, "Chris", 26020, "07/08/01", "Vancouver","N")
3> GO
(1 rows affected)
1> insert into employee (ID, name, salary, start_date, city, region)
2> values (9, "Mary", 60020, "06/09/02", "Toronto", "W")
3> GO
(1 rows affected)
1>
2> select * from employee
3> GO
ID name salary start_date city region
----------- ---------- ----------- ----------------------- ---------- ------
1 Jason 40420 1994-02-01 00:00:00.000 New York W
2 Robert 14420 1995-01-02 00:00:00.000 Vancouver N
3 Celia 24020 1996-12-03 00:00:00.000 Toronto W
4 Linda 40620 1997-11-04 00:00:00.000 New York N
5 David 80026 1998-10-05 00:00:00.000 Vancouver W
6 James 70060 1999-09-06 00:00:00.000 Toronto N
7 Alison 90620 2000-08-07 00:00:00.000 New York W
8 Chris 26020 2001-07-08 00:00:00.000 Vancouver N
9 Mary 60020 2002-06-09 00:00:00.000 Toronto W
(9 rows affected)
1>
2>
3> --Using Functions in Queries
4>
5> SELECT Name, YEAR(Start_Date) AS Start_Year
6> FROM Employee
7> GO
Name Start_Year
---------- -----------
Jason 1994
Robert 1995
Celia 1996
Linda 1997
David 1998
James 1999
Alison 2000
Chris 2001
Mary 2002
(9 rows affected)
1>
2>
3>
4>
5> drop table employee
6> GO
1>
YEAR: return the year portion of a date
1> ---------------------------------------------------
2> -- YEAR: return the year portion of a date.
3>
4> SELECT YEAR("24 March 1964")
5> GO
-----------
1964
(1 rows affected)
1>