SQL Server/T-SQL/Date Timezone/DATENAME

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DATENAME(month, "4-29-1988") returns a string containing the descriptive name

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1> 2> SELECT DATENAME(month, "4-29-1988") 3> GO


April (1 rows affected) 1> 2>

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DATENAME returns the part of the date in a literal form.

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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

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DATENAME: return the part of the date in a literal form

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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>

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Find out the month name in two months time

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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>

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

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


30 (1 rows affected) 1>

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

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


273 (1 rows affected)

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

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


11 (1 rows affected) 1>

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

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


35 (1 rows affected) 1>

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

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


3 (1 rows affected)

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

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


0 (1 rows affected) 1>

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

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


40 (1 rows affected)

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

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


Monday (1 rows affected) 1>

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

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


2002 (1 rows affected)

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Using the DATENAME() Function

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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


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

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