Sql server accept date only in dd mm yyyy

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SQL-Server-2008

Hello,

I need to insert date into my datecolumn regdate which is of datetime data type.But before inserting i need to check whether the date iam inserting is in dd mm yyyy format or not.If it is in that format,then i need to insert or else not.

I have tried like this with Isdate function,like

SET LANGUAGE us_english
SET DATEFORMAT dmy

isdate('12/10/2013') /////returns 1
isdate('12/13/2013') ///////returns 0
and its working fine.

but if i use like this

SET LANGUAGE us_english;
SET DATEFORMAT dmy;
select isdate('2013/12/12') ////returns 1 instead of 0

Thanks a lot for any help.

Posted 19-Nov-13 1:21am

njdcjk

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Mike Meinz 19-Nov-13 15:32pm

DateTime data type stores date as an integer value. It does not matter what date format you pass in your INSERT SQL statement although ISO format YYYY-MM-DD is preferred.

Validation of a date should be done in the application source code (e.g. C# or VB .NET). I suggest that you use CDATE() within a Try..Catch block to determine if a date is a valid date.

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Madhu Nair · Answer 1 · 2013-11-19T01:38:00

Solution 1

IsDate Function will return true or false depending on whether the value you are passing is a proper date or not.

You can compare the date for dd/MM/yyyy with the help of Convert function in SQL -

SQL

SELECT CONVERT(VARCHAR,GETDATE(),103)

Posted 19-Nov-13 1:38am

Madhu Nair

Comments

njdcjk 19-Nov-13 7:49am

If i use like this
select convert(varchar,'2003/2/13',103)

the output is 2003/2/13

Madhu Nair 20-Nov-13 23:44pm

Try it this way -

SELECT CONVERT(VARCHAR,CAST('2013/12/31' AS DATETIME),103)

Maciej Los · Answer 2 · 2013-11-19T09:08:00

If you want to check if date is in proper format, please use RegEx[^]. Here is a collection of examples: Regular Expression Matching a Valid Date[^].

MS SQL Server stores dates depending on many settings[^]. Do not try to store date in custom format. Date is date, no matter of displaying format. Do you get it?