SQL Server/T-SQL/Date Timezone/DATENAME
Содержание
- 1 DATENAME(month, "4-29-1988") returns a string containing the descriptive name
- 2 DATENAME returns the part of the date in a literal form.
- 3 DATENAME: return the part of the date in a literal form
- 4 Find out the month name in two months time
- 5 select DATENAME(day, "2002-35:00")
- 6 select DATENAME(dayofyear, "2002-35:00")
- 7 select DATENAME(hour, "2002-35:00")
- 8 select DATENAME(minute, "2002-35:00")
- 9 select DATENAME(quarter, "2002-35:00")
- 10 select DATENAME(second, "2002-35:00")
- 11 select DATENAME(week, "2002-35:00")
- 12 select DATENAME(weekday, "2002-35:00")
- 13 select DATENAME(year, "2002-35:00")
- 14 Using the DATENAME() Function
DATENAME(month, "4-29-1988") returns a string containing the descriptive name
1>
2> SELECT DATENAME(month, "4-29-1988")
3> GO
------------------------------
April
(1 rows affected)
1>
2>
DATENAME returns the part of the date in a literal form.
17>
18> SELECT DATENAME(mm,GETDATE())
19> GO
------------------------------
October
(1 rows affected)
Year - yy, yyyy
Month - mm, m
Week - wk, ww
Day - dd, d
Hour - hh
Minute - mi, n
quarter - qq
day of year - dy
seconds - ss
milliseconds - ms
DATENAME: return the part of the date in a literal form
3> -- DATENAME: return the part of the date in a literal form.
4>
5> SELECT DATENAME(mm,GETDATE())
6> GO
------------------------------
October
(1 rows affected)
1> ---------------------------------------------------------
2>
Find out the month name in two months time
2> -- Find out the month name in two months time:
3>
4> SELECT DATENAME(mm,DATEADD(mm,2,GETDATE()))
5> GO
------------------------------
December
(1 rows affected)
1>
select DATENAME(day, "2002-35:00")
2> select DATENAME(day, "2002-09-30 11:35:00")
3> GO
------------------------------
30
(1 rows affected)
1>
select DATENAME(dayofyear, "2002-35:00")
2> select DATENAME(dayofyear, "2002-09-30 11:35:00")
6> GO
------------------------------
273
(1 rows affected)
select DATENAME(hour, "2002-35:00")
2> select DATENAME(hour, "2002-09-30 11:35:00")
3> GO
------------------------------
11
(1 rows affected)
1>
select DATENAME(minute, "2002-35:00")
3> select DATENAME(minute, "2002-09-30 11:35:00")
4> GO
------------------------------
35
(1 rows affected)
1>
select DATENAME(quarter, "2002-35:00")
3> select DATENAME(quarter, "2002-09-30 11:35:00")
4> GO
------------------------------
3
(1 rows affected)
select DATENAME(second, "2002-35:00")
3> select DATENAME(second, "2002-09-30 11:35:00")
4> GO
------------------------------
0
(1 rows affected)
1>
select DATENAME(week, "2002-35:00")
5> select DATENAME(week, "2002-09-30 11:35:00")
------------------------------
40
(1 rows affected)
select DATENAME(weekday, "2002-35:00")
2> select DATENAME(weekday, "2002-09-30 11:35:00")
3> GO
------------------------------
Monday
(1 rows affected)
1>
select DATENAME(year, "2002-35:00")
3> select DATENAME(year, "2002-09-30 11:35:00")
4> GO
------------------------------
2002
(1 rows affected)
Using the DATENAME() Function
3>
4> CREATE TABLE employee(
5> id INTEGER NOT NULL PRIMARY KEY,
6> first_name VARCHAR(10),
7> last_name VARCHAR(10),
8> salary DECIMAL(10,2),
9> start_Date DATETIME,
10> region VARCHAR(10),
11> city VARCHAR(20),
12> managerid INTEGER
13> );
14> GO
1> INSERT INTO employee VALUES (1, "Jason" , "Martin", 5890,"2005-03-22","North","Vancouver",3);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (2, "Alison", "Mathews",4789,"2003-07-21","South","Utown",4);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (3, "James" , "Smith", 6678,"2001-12-01","North","Paris",5);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (4, "Celia" , "Rice", 5567,"2006-03-03","South","London",6);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (5, "Robert", "Black", 4467,"2004-07-02","East","Newton",7);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (6, "Linda" , "Green" , 6456,"2002-05-19","East","Calgary",8);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (7, "David" , "Larry", 5345,"2008-03-18","West","New York",9);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (8, "James" , "Cat", 4234,"2007-07-17","West","Regina",9);
2> GO
(1 rows affected)
1> INSERT INTO employee VALUES (9, "Joan" , "Act", 6123,"2001-04-16","North","Toronto",10);
2> GO
(1 rows affected)
1>
2> select * from employee;
3> GO
id first_name last_name salary start_Date region city managerid
----------- ---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
1 Jason Martin 5890.00 2005-03-22 00:00:00.000 North Vancouver 3
2 Alison Mathews 4789.00 2003-07-21 00:00:00.000 South Utown 4
3 James Smith 6678.00 2001-12-01 00:00:00.000 North Paris 5
4 Celia Rice 5567.00 2006-03-03 00:00:00.000 South London 6
5 Robert Black 4467.00 2004-07-02 00:00:00.000 East Newton 7
6 Linda Green 6456.00 2002-05-19 00:00:00.000 East Calgary 8
7 David Larry 5345.00 2008-03-18 00:00:00.000 West New York 9
8 James Cat 4234.00 2007-07-17 00:00:00.000 West Regina 9
9 Joan Act 6123.00 2001-04-16 00:00:00.000 North Toronto 10
(9 rows affected)
1>
2>
3>
4> SELECT
5> YEAR (Start_Date) AS "Year",
6> MONTH (Start_Date) AS "Month",
7> DATENAME (mm, Start_Date) AS "Month Name",
8> COUNT (*) AS "Count"
9> FROM
10> Employee
11> GROUP BY
12> YEAR (Start_Date),
13> MONTH (Start_Date),
14> DATENAME (mm, Start_Date)
15> ORDER BY
16> YEAR (Start_Date),
17> MONTH (Start_Date)
18> GO
Year Month Month Name Count
----------- ----------- ------------------------------ -----------
2001 4 April 1
2001 12 December 1
2002 5 May 1
2003 7 July 1
2004 7 July 1
2005 3 March 1
2006 3 March 1
2007 7 July 1
2008 3 March 1
(9 rows affected)
1>
2>
3> drop table employee;
4> GO