Date format in Direct database request

I have a report with direct database request.
I have a date prompt..I am storing the date in a Presentation Variable named pv_date.
In the direct database request, I have a where clause:
WHERE business_date IN ( @{pv_date}{'1/1/2013'} )
when I run open dashboard for the first time, its throwing me an error near TIMESTAMP.
WHERE business_date IN( TIMESTAMP ''2013-01-01 00:00:00'')
AND ALSO When I run this report from dashboard after choosing a date say 2/20/2013, I see the query as:
WHERE business_date IN (2013-02-20 00:00:00)
and hence throwing error.
Its throwing error in both the cases. How do I change the format in WHERE clause..
Ideally, I want the query to be WHERE business_date IN ('2/20/2013') or Business_date IN ('2013-02-20')

Thank you both.
I am using Sybase and hence used convert function.
But still I see the word TIMESTAMP in the query which is causing issue.
business_date IN(CONVERT(char(10), TIMESTAMP ''2013-03-27 00:00:00'',101))
and when I run the report by choosing any date, I see this: business_date IN(CONVERT(char(10),2013-03-27 00:00:00,101)) ; throwing error because No single quoted for the date.
How do I remove the word TIMESTAMP?? and how do I impose single quotes..

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user643210 wrote:
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Summary
I am trying to pass Pv from prompt(Date Fx: cast(Column as date) to Direct DB Request.
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Thank you both.
I am using Sybase and hence used convert function.
But still I see the word TIMESTAMP in the query which is causing issue.
business_date IN(CONVERT(char(10), TIMESTAMP ''2013-03-27 00:00:00'',101))
and when I run the report by choosing any date, I see this: business_date IN(CONVERT(char(10),2013-03-27 00:00:00,101)) ; throwing error because No single quoted for the date.
How do I remove the word TIMESTAMP?? and how do I impose single quotes..

Date format in Direct database request

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