A summary of the usage of SQL convert conversion function _mssql

Source: Internet
Author: User
Tags getdate
format:
CONVERT (Data_type,expression[,style])

Description:
This style is generally in the type of time (datetime,smalldatetime) and String type (Nchar,nvarchar,char,varchar)
When they are converted to each other.

Example:
SELECT CONVERT (varchar), GETDATE (), () now
The results are:
Now
---------------------------------------
|09/15/2001

The style number has the following meanings when converting time:

Copy Code code as follows:

Style (2-bit year) | Style (4-bit year) | Input and output formats

0 | 100 | Mon dd yyyy hh:miam (or PM)
1 | 101 The USA | Mm/dd/yy
2 | 102 ANSI | Yy-mm-dd
3 | 103 British Law | Dd/mm/yy
4 | 104 Germany | Dd.mm.yy
5 | 105 Italy | 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 (or PM)
10 | 110 the USA | Mm-dd-yy
11 | 111 Japan | Yy/mm/dd
12 | 112 ISO | Yymmdd
13 | 113 Euro Default | DD Mon yyyy hh:mi:ss:mmm (24-hour system)
14 | 114 | Hh:mi:ss:mmm (24-hour system)

20 | ODBC Specification | Yyyy-mm-dd Hh:mi:ss (24-hour system)

21 | 121 | Yyyy-mm-dd Hh:mi:ss:mmm (24-hour system)


statement and Query results:
Copy Code code as follows:

SELECT CONVERT (varchar), GETDATE (), 0): 2006 10:57am
SELECT CONVERT (varchar), GETDATE (), 1): 05/16/06
SELECT CONVERT (varchar), GETDATE (), 2): 06.05.16
SELECT CONVERT (varchar), GETDATE (), 3): 16/05/06
SELECT CONVERT (varchar), GETDATE (), 4): 16.05.06
SELECT CONVERT (varchar), GETDATE (), 5): 16-05-06
SELECT CONVERT (varchar), GETDATE (), 6): 16 05 06
SELECT CONVERT (varchar), GETDATE (), 7:05 16, 06
SELECT CONVERT (varchar), GETDATE (), 8): 10:57:46
SELECT CONVERT (varchar), GETDATE (), 9): 2006 10:57:46:827am
SELECT CONVERT (varchar), GETDATE (), 10): 05-16-06
SELECT CONVERT (varchar), GETDATE (), 11): 06/05/16
SELECT CONVERT (varchar), GETDATE (), 12): 060516
SELECT CONVERT (varchar), GETDATE (), 13:16 05 2006 10:57:46:937
SELECT CONVERT (varchar), GETDATE (), 14): 10:57:46:967
SELECT CONVERT (varchar), GETDATE (), 20): 2006-05-16 10:57:47
SELECT CONVERT (varchar), GETDATE (), 21): 2006-05-16 10:57:47.157
SELECT CONVERT (varchar (MB), GETDATE (): 05/16/06 10:57:47 AM
SELECT CONVERT (varchar), GETDATE (), 23): 2006-05-16
SELECT CONVERT (varchar), GETDATE (), 24): 10:57:47
SELECT CONVERT (varchar), GETDATE (), 25): 2006-05-16 10:57:47.250
SELECT CONVERT (varchar), GETDATE (): 2006 10:57am
SELECT CONVERT (varchar), GETDATE (), 101): 05/16/2006
SELECT CONVERT (varchar), GETDATE (), 102): 2006.05.16
SELECT CONVERT (varchar), GETDATE (), 103): 16/05/2006
SELECT CONVERT (varchar), GETDATE (), 104): 16.05.2006
SELECT CONVERT (varchar), GETDATE (), 105): 16-05-2006
SELECT CONVERT (varchar), GETDATE (), 106): 16 05 2006
SELECT CONVERT (varchar), GETDATE (), 107:05 16, 2006
SELECT CONVERT (varchar), GETDATE (), 108): 10:57:49
SELECT CONVERT (varchar), GETDATE (), 109): 2006 10:57:49:437am
SELECT CONVERT (varchar), GETDATE (), 110): 05-16-2006
SELECT CONVERT (varchar), GETDATE (), 111): 2006/05/16
SELECT CONVERT (varchar), GETDATE (), 112): 20060516
SELECT CONVERT (varchar), GETDATE (), 113:16 05 2006 10:57:49:513
SELECT CONVERT (varchar), GETDATE (), 114): 10:57:49:547
SELECT CONVERT (varchar), GETDATE (), 120): 2006-05-16 10:57:49
SELECT CONVERT (varchar), GETDATE (), 121): 2006

the CONVERT () function commonly used by SQL

Time to use, the second time to check, the time to forget, simply write down.
Copy Code code as follows:

SELECT CONVERT (varchar), GETDATE (), 0): 2006 10:57am
SELECT CONVERT (varchar), GETDATE (), 1): 05/16/06
SELECT CONVERT (varchar), GETDATE (), 2): 06.05.16
SELECT CONVERT (varchar), GETDATE (), 3): 16/05/06
SELECT CONVERT (varchar), GETDATE (), 4): 16.05.06
SELECT CONVERT (varchar), GETDATE (), 5): 16-05-06
SELECT CONVERT (varchar), GETDATE (), 6): 16 05 06
SELECT CONVERT (varchar), GETDATE (), 7:05 16, 06
SELECT CONVERT (varchar), GETDATE (), 8): 10:57:46
SELECT CONVERT (varchar), GETDATE (), 9): 2006 10:57:46:827am
SELECT CONVERT (varchar), GETDATE (), 10): 05-16-06
SELECT CONVERT (varchar), GETDATE (), 11): 06/05/16
SELECT CONVERT (varchar), GETDATE (), 12): 060516
SELECT CONVERT (varchar), GETDATE (), 13:16 05 2006 10:57:46:937
SELECT CONVERT (varchar), GETDATE (), 14): 10:57:46:967
SELECT CONVERT (varchar), GETDATE (), 20): 2006-05-16 10:57:47
SELECT CONVERT (varchar), GETDATE (), 21): 2006-05-16 10:57:47.157
SELECT CONVERT (varchar (MB), GETDATE (): 05/16/06 10:57:47 AM
SELECT CONVERT (varchar), GETDATE (), 23): 2006-05-16
SELECT CONVERT (varchar), GETDATE (), 24): 10:57:47
SELECT CONVERT (varchar), GETDATE (), 25): 2006-05-16 10:57:47.250
SELECT CONVERT (varchar), GETDATE (): 2006 10:57am
SELECT CONVERT (varchar), GETDATE (), 101): 05/16/2006
SELECT CONVERT (varchar), GETDATE (), 102): 2006.05.16
SELECT CONVERT (varchar), GETDATE (), 103): 16/05/2006
SELECT CONVERT (varchar), GETDATE (), 104): 16.05.2006
SELECT CONVERT (varchar), GETDATE (), 105): 16-05-2006
SELECT CONVERT (varchar), GETDATE (), 106): 16 05 2006
SELECT CONVERT (varchar), GETDATE (), 107:05 16, 2006
SELECT CONVERT (varchar), GETDATE (), 108): 10:57:49
SELECT CONVERT (varchar), GETDATE (), 109): 2006 10:57:49:437am
SELECT CONVERT (varchar), GETDATE (), 110): 05-16-2006
SELECT CONVERT (varchar), GETDATE (), 111): 2006/05/16
SELECT CONVERT (varchar), GETDATE (), 112): 20060516
SELECT CONVERT (varchar), GETDATE (), 113:16 05 2006 10:57:49:513
SELECT CONVERT (varchar), GETDATE (), 114): 10:57:49:547
SELECT CONVERT (varchar), GETDATE (), 120): 2006-05-16 10:57:49
SELECT CONVERT (varchar), GETDATE (), 121): 2006-05-16 10:57:49.700
SELECT CONVERT (varchar), GETDATE (), 126): 2006-05-16t10:57:49.827
SELECT CONVERT (varchar), GETDATE (), 130):???? ?????? 1427 10:57:49:907am
SELECT CONVERT (varchar), GETDATE (), 131): 18/04/1427 10:57:49:920am

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