Displaying the String Value for Part of a Date: Show the start Date's day of the week : DATENAME « Date Functions « SQL Server / T-SQL Tutorial






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








10.7.DATENAME
10.7.1.Displaying the String Value for Part of a Date
10.7.2.DATENAME returns date's character string representation: DATENAME(datepart,date)
10.7.3.select DATENAME(day, '2002-09-30 11:35:00')
10.7.4.select DATENAME(month, '2002-09-30 11:35:00')
10.7.5.select DATENAME(year, '2002-09-30 11:35:00')
10.7.6.select DATENAME(hour, '2002-09-30 11:35:00')
10.7.7.select DATENAME(minute, '2002-09-30 11:35:00')
10.7.8.select DATENAME(second, '2002-09-30 11:35:00')
10.7.9.select DATENAME(quarter, '2002-09-30 11:35:00')
10.7.10.select DATENAME(dayofyear, '2002-09-30 11:35:00')
10.7.11.select DATENAME(week, '2002-09-30 11:35:00')
10.7.12.select DATENAME(weekday, '2002-09-30 11:35:00')
10.7.13.select DATENAME(month,'2002-09-30')
10.7.14.Combining this with DATEADD allows you to find out the month name in two months time:
10.7.15.Displaying the String Value for Part of a Date: Show the start Date's day of the week