SQL中日期轉換方法大全

格式:

CONVERT(data_type,expression[,style])

說明:

此樣式一般在時間類型(datetime,smalldatetime)與字串類型(nchar,nvarchar,char,varchar)

相互轉換的時候才用到.

style數字在轉換時間時的含義如下:

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

Style(2位表示年份) | Style(4位表示年份) | 輸入輸出格式

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

0 | 100 | mon dd yyyy hh:miAM(或PM)

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

1 | 101 美國 | mm/dd/yy

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

2 | 102 ANSI | yy-mm-dd

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

3 | 103 英法 | dd/mm/yy

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

4 | 104 德國 | dd.mm.yy

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

5 | 105 意大利 | dd-mm-yy

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

6 | 106 | dd mon yy

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

7 | 107 | mon dd,yy

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

8 | 108 | hh:mm:ss

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

9 | 109 | mon dd yyyy hh:mi:ss:mmmmAM(或PM)

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

10 | 110 美國 | mm-dd-yy

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

11 | 111 日本 | yy/mm/dd

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

12 | 112 ISO | yymmdd

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

13 | 113 歐洲預設值 | dd mon yyyy hh:mi:ss:mmm(24小時制)

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

14 | 114 | hh:mi:ss:mmm(24小時制)

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

20 | 120 ODBC 規範 | yyyy-mm-dd hh:mi:ss(24小時制)

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

21 | 121 | yyyy-mm-dd hh:mi:ss:mmm(24小時制)

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

語句及查詢結果：

SELECT CONVERT(varchar(100), GETDATE(), 0): 05 16 2006 10:57AM

SELECT CONVERT(varchar(100), GETDATE(), 1): 05/16/06

SELECT CONVERT(varchar(100), GETDATE(), 2): 06.05.16

SELECT CONVERT(varchar(100), GETDATE(), 3): 16/05/06

SELECT CONVERT(varchar(100), GETDATE(), 4): 16.05.06

SELECT CONVERT(varchar(100), GETDATE(), 5): 16-05-06

SELECT CONVERT(varchar(100), GETDATE(), 6): 16 05 06

SELECT CONVERT(varchar(100), GETDATE(), 7): 05 16, 06

SELECT CONVERT(varchar(100), GETDATE(), 8): 10:57:46

SELECT CONVERT(varchar(100), GETDATE(), 9): 05 16 2006 10:57:46:827AM

SELECT CONVERT(varchar(100), GETDATE(), 10): 05-16-06

SELECT CONVERT(varchar(100), GETDATE(), 11): 06/05/16

SELECT CONVERT(varchar(100), GETDATE(), 12): 060516

SELECT CONVERT(varchar(100), GETDATE(), 13): 16 05 2006 10:57:46:937

SELECT CONVERT(varchar(100), GETDATE(), 14): 10:57:46:967

SELECT CONVERT(varchar(100), GETDATE(), 20): 2006-05-16 10:57:47

SELECT CONVERT(varchar(100), GETDATE(), 21): 2006-05-16 10:57:47.157

SELECT CONVERT(varchar(100), GETDATE(), 22): 05/16/06 10:57:47 AM

SELECT CONVERT(varchar(100), GETDATE(), 23): 2006-05-16

SELECT CONVERT(varchar(100), GETDATE(), 24): 10:57:47

SELECT CONVERT(varchar(100), GETDATE(), 25): 2006-05-16 10:57:47.250

SELECT CONVERT(varchar(100), GETDATE(), 100): 05 16 2006 10:57AM

SELECT CONVERT(varchar(100), GETDATE(), 101): 05/16/2006

SELECT CONVERT(varchar(100), GETDATE(), 102): 2006.05.16

SELECT CONVERT(varchar(100), GETDATE(), 103): 16/05/2006

SELECT CONVERT(varchar(100), GETDATE(), 104): 16.05.2006

SELECT CONVERT(varchar(100), GETDATE(), 105): 16-05-2006

SELECT CONVERT(varchar(100), GETDATE(), 106): 16 05 2006

SELECT CONVERT(varchar(100), GETDATE(), 107): 05 16, 2006

SELECT CONVERT(varchar(100), GETDATE(), 108): 10:57:49

SELECT CONVERT(varchar(100), GETDATE(), 109): 05 16 2006 10:57:49:437AM

SELECT CONVERT(varchar(100), GETDATE(), 110): 05-16-2006

SELECT CONVERT(varchar(100), GETDATE(), 111): 2006/05/16

SELECT CONVERT(varchar(100), GETDATE(), 112): 20060516

SELECT CONVERT(varchar(100), GETDATE(), 113): 16 05 2006 10:57:49:513

SELECT CONVERT(varchar(100), GETDATE(), 114): 10:57:49:547

SELECT CONVERT(varchar(100), GETDATE(), 120): 2006-05-16 10:57:49

SELECT CONVERT(varchar(100), GETDATE(), 121): 2006-05-16 10:57:49.700

SELECT CONVERT(varchar(100), GETDATE(), 126): 2006-05-16T10:57:49.827

SELECT CONVERT(varchar(100), GETDATE(), 130): 18 ???? ?????? 1427 10:57:49:907AM

SELECT CONVERT(varchar(100), GETDATE(), 131): 18/04/1427 10:57:49:920AM