SqlserverCONVERT () function usage Summary

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:

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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
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09/15/2001

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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