SqlserverCONVERT () function usage Summary

Source: Internet
Author: User
This article analyzes and summarizes some common usage analysis of the convert () function during date operations.

This article analyzes and summarizes some common usage analysis of the convert () function during date operations.

CONVERTUsage:

//////////////////////////////////////// //////////////////////////////////////// ////////

Format:
CONVERT (data_type, expression [, style])

Note:
This style is generally in the time type (datetime, smalldatetime) and string type (nchar, nvarchar, char, varchar)
It is used only when they are converted to each other.

Example:
Select convert (varchar (30), getdate (), 101) now
Result:
Now
---------------------------------------
09/15/2001

//////////////////////////////////////// //////////////////////////////////////// /////

The meaning of the style number in the conversion time is as follows:

Bytes -------------------------------------------------------------------------------------------------
Style (2 bits represent the year) | Style (4 bits represent the year) | input/output format
Bytes -------------------------------------------------------------------------------------------------
-| 0 or 100 | mon dd yyyy hh: miAM (or PM)
Bytes -------------------------------------------------------------------------------------------------
1 | 101 | mm/dd/yy
Bytes -------------------------------------------------------------------------------------------------
2 | 102 | yy-mm-dd
Bytes -------------------------------------------------------------------------------------------------
3 | 103 | dd/mm/yy
Bytes -------------------------------------------------------------------------------------------------
4 | 104 | dd-mm-yy
Bytes -------------------------------------------------------------------------------------------------
5 | 105 | dd-mm-yy
Bytes -------------------------------------------------------------------------------------------------
6 | 106 | dd mon yy
Bytes -------------------------------------------------------------------------------------------------
7 | 107 | mon dd, yy
Bytes -------------------------------------------------------------------------------------------------
Eight | 108 | hh: mm: ss
Bytes -------------------------------------------------------------------------------------------------
-| 9 or 109 | mon dd yyyy hh: mi: ss: mmmmAM (or PM)
Bytes -------------------------------------------------------------------------------------------------
10 | 110 | mm-dd-yy
Bytes -------------------------------------------------------------------------------------------------
11 | 111 | yy/mm/dd
Bytes -------------------------------------------------------------------------------------------------
12 | 112 | yymmdd
Bytes -------------------------------------------------------------------------------------------------
-| 13 or 113 | dd mon yyyy hh: mi: ss: mmm (in 24-hour format)
Bytes -------------------------------------------------------------------------------------------------
14 | 114 | hh: mi: ss: mmm (in 24-hour format)
Bytes -------------------------------------------------------------------------------------------------
-| 20 or 120 | yyyy-mm-dd hh: mi: ss (in 24-hour format)
Bytes -------------------------------------------------------------------------------------------------
-| 21 or 121 | yyyy-mm-dd hh: mi: ss: mmm (in 24-hour format)
Bytes -------------------------------------------------------------------------------------------------

AvailableStyleValue:

Style ID Style format
100 or 0 Mon dd yyyy hh: miAM (or PM)
101 Mm/dd/yy
102 Yy. mm. dd
103 Dd/mm/yy
104 Dd. mm. yy
105 Dd-mm-yy
106 Dd mon yy
107 Mon dd, yy
108 Hh: mm: ss
109 or 9 Mon dd yyyy hh: mi: ss: mmmAM (or PM)
110 Mm-dd-yy
111 Yy/mm/dd
112 Yymmdd
113 or 13 Dd mon yyyy hh: mm: ss: mmm (24 h)
114 Hh: mi: ss: mmm (24 h)
120 or 20 Yyyy-mm-dd hh: mi: ss (24 h)
121 or 21 Yyyy-mm-dd hh: mi: ss. mmm (24 h)
126 Yyyy-mm-ddThh: mm: ss. mmm (no space)
130 Dd mon yyyy hh: mi: ss: mmmAM
131 Dd/mm/yy hh: mi: ss: mmmAM

Convert Function Application of SqlServer

Select CONVERT (varchar (100), GETDATE (), 0): 05 16 2006 AM
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): 10:57:47
Select CONVERT (varchar (100), GETDATE (), 21): 10:57:47. 157
Select CONVERT (varchar (100), GETDATE (), 22): 05/16/06 10:57:47 AM
Select CONVERT (varchar (100), GETDATE (), 23 ):
Select CONVERT (varchar (100), GETDATE (), 24): 10:57:47
Select CONVERT (varchar (100), GETDATE (), 25): 10:57:47. 250
Select CONVERT (varchar (100), GETDATE (), 100): 05 16 2006 AM
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 16,200 6
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): 10:57:49
Select CONVERT (varchar (100), GETDATE (), 121): 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

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