SQL Server/T-SQL Tutorial/Date Functions/DATENAME

Combining this with DATEADD allows you to find out the month name in two months time:

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16> 17> SELECT DATENAME(mm,DATEADD(mm,2,GETDATE())) 18> GO

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December (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</source>

DATENAME returns date"s character string representation: DATENAME(datepart,date)

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4> 5> SELECT DATENAME(DW,"10/01/97") 6> GO

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Wednesday (1 rows affected) 1></source>

Displaying the String Value for Part of a Date

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DATENAME returns a string value for the part of a date specified in the datepart code. The syntax is: DATENAME ( datepart , date ) The second parameter designates the date to base the string value on.</source>

Displaying the String Value for Part of a Date: Show the start Date"s day of the week

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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

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         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 ID,Start_Date, 5> DATENAME(dw, Start_Date) WeekDay 6> FROM Employee 7> GO ID Start_Date WeekDay

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----------------------- ------------------------------

         1 2005-03-22 00:00:00.000 Tuesday
         2 2003-07-21 00:00:00.000 Monday
         3 2001-12-01 00:00:00.000 Saturday
         4 2006-03-03 00:00:00.000 Friday
         5 2004-07-02 00:00:00.000 Friday
         6 2002-05-19 00:00:00.000 Sunday
         7 2008-03-18 00:00:00.000 Tuesday
         8 2007-07-17 00:00:00.000 Tuesday
         9 2001-04-16 00:00:00.000 Monday

(9 rows affected) 1> 2> drop table employee; 3> GO</source>

select DATENAME(day, "2002-35:00")

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2> select DATENAME(day, "2002-09-30 11:35:00") 3> GO

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30 (1 rows affected) 1></source>

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

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2> select DATENAME(dayofyear, "2002-09-30 11:35:00") 3> 6> GO

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273 (1 rows affected)</source>

select DATENAME(hour, "2002-35:00")

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2> select DATENAME(hour, "2002-09-30 11:35:00") 3> GO

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11 (1 rows affected) 1></source>

select DATENAME(minute, "2002-35:00")

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3> select DATENAME(minute, "2002-09-30 11:35:00") 4> GO

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35 (1 rows affected) 1></source>

select DATENAME(month,"2002-09-30")

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3> select DATENAME(month,"2002-09-30") 4> GO

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September (1 rows affected)</source>

select DATENAME(month, "2002-35:00")

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3> select DATENAME(month, "2002-09-30 11:35:00") 4> GO

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September (1 rows affected) 1></source>

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

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3> select DATENAME(quarter, "2002-09-30 11:35:00") 4> GO

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3 (1 rows affected)</source>

select DATENAME(second, "2002-35:00")

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3> select DATENAME(second, "2002-09-30 11:35:00") 4> GO

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0 (1 rows affected) 1></source>

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

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5> select DATENAME(week, "2002-09-30 11:35:00")

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40 (1 rows affected)</source>

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

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2> select DATENAME(weekday, "2002-09-30 11:35:00") 3> GO

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Monday (1 rows affected) 1></source>

select DATENAME(year, "2002-35:00")

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3> select DATENAME(year, "2002-09-30 11:35:00") 4> GO

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2002 (1 rows affected)</source>