Просмотр исходного текста страницы SQL Server/T-SQL/Date Timezone/DATENAME

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



   
  <!-- start source code -->
   
    <source lang="sql">

1>
2> SELECT DATENAME(month, "4-29-1988")
3> GO
------------------------------
April
(1 rows affected)
1>
2>
           
       </source>
    
   


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



   
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    <source lang="sql">
 
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
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">

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>
           
       </source>
    
   


==Find out the month name in two months time==



   
  <!-- start source code -->
   
    <source lang="sql">

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>
           
       </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

2> select DATENAME(day, "2002-09-30 11:35:00")
3> GO
------------------------------
30
(1 rows affected)
1>
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

2> select DATENAME(dayofyear, "2002-09-30 11:35:00")
6> GO
------------------------------
273
(1 rows affected)
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

2> select DATENAME(hour, "2002-09-30 11:35:00")
3> GO
------------------------------
11
(1 rows affected)
1>
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

3> select DATENAME(minute, "2002-09-30 11:35:00")
4> GO
------------------------------
35
(1 rows affected)
1>
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

3> select DATENAME(quarter, "2002-09-30 11:35:00")
4> GO
------------------------------
3
(1 rows affected)
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

3> select DATENAME(second, "2002-09-30 11:35:00")
4> GO
------------------------------
0
(1 rows affected)
1>
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

5> select DATENAME(week, "2002-09-30 11:35:00")
------------------------------
40
(1 rows affected)
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

2> select DATENAME(weekday, "2002-09-30 11:35:00")
3> GO
------------------------------
Monday
(1 rows affected)
1>
 </source>
    
   


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



   
  <!-- start source code -->
   
    <source lang="sql">
 

3> select DATENAME(year, "2002-09-30 11:35:00")
4> GO
------------------------------
2002
(1 rows affected)
 </source>
    
   


==Using the DATENAME() Function==



   
  <!-- start source code -->
   
    <source lang="sql">
 
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
 </source>