SQL Server date Formatting Function
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A very powerful date Formatting Function in SQL Server
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 (): 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
Frequently used:
Select convert (varchar (100), getdate (): 10:57:46
Select convert (varchar (100), getdate (), 24): 10:57:47
Select convert (varchar (100), getdate (), 108): 10:57:49
Select convert (varchar (100), getdate (), 12): 060516
Select convert (varchar (100), getdate (), 23 ):
Select dateadd (DD,-day (getdate () + 1, getdate ())
Last day of the month: Select dateadd (DD,-day (getdate (), dateadd (M, 1, getdate ()))
Common knowledge points in stored procedures:
Loop
Declare @ I int
Set @ I = 1
While @ I <30
Begin
Insert into test (userid) values (@ I)
Set @ I = @ I + 1
End
Replace table names with variables
Declare @ brief nvarchar (255)
Declare @ SQL nvarchar (255)
Select @ resolve = 'username'
Select @ SQL = 'select' + @ require + 'from tbl'
Exec sp_executesql @ SQL
Back up and contract the database
Backup log register with no_log
backup log register with truncate_only