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Order by datetime column desc

sudhir bharti 1 Reputation point
2021-01-26T05:40:10.45+00:00

I have a column with following values:

ToFromDateTimeSS
01/25 10:31:25 AM
01/25 10:31:23 AM
01/25 9:58:24 AM
01/25 9:58:22 AM
01/25 9:57:14 AM
01/25 9:57:12 AM
01/25 9:57:10 AM
01/25 9:57:08 AM
01/25 9:55:29 AM
01/25 9:55:27 AM
01/25 9:26:24 PM
01/25 9:26:22 PM
01/25 9:00:51 AM
01/25 9:00:49 AM
01/25 8:54:57 AM
01/25 8:54:57 AM
01/25 7:48:12 PM
01/25 7:48:10 PM
01/24 8:30:57 PM
01/24 8:30:57 PM
01/24 8:20:40 PM
01/24 8:20:40 PM

I want to sort the column order by ToFromDateTimeSS desc.

Note: the column is varchar datatype.

Transact-SQL
Transact-SQL
A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions.
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  1. EchoLiu-MSFT 14,581 Reputation points
    2021-01-26T07:50:05.623+00:00

    Hi @sudhir bharti ,

    Welcome to the Microsoft TSQL Q&A Forum!

    The date format you provided is not the SQL Server standard date format.Can the format of the inserted date be changed?

    If it can be changed,please refer to: 

    create table #test (ToFromDateTimeSS varchar(25))  
insert into #test values('01/25/2021 10:31:25 AM'),('01/25/2021 9:58:24 AM'),('01/25/2021 9:58:22 AM')  
,('01/25/2021 9:57:14 AM'),('01/25/2021 9:57:12 AM')  
  
select * from #test  
order by convert(datetime,ToFromDateTimeSS) desc

    Output:
    60539-image.png

    If you have any question, please feel free to let me know.
    If the response is helpful, please click "Accept Answer" and upvote it.

    Regards
    Echo

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