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Sql Server versus Paradox

 
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Karen
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PostPosted: Thu Jan 22, 2004 10:34 am    Post subject: Sql Server versus Paradox Reply with quote




I am using Delphi 7 with Sql Server 2000. My job is to convert an application from Paradox to Sql Server 2000. The app use BDE and it is not so difficult to change from Paradox to Sql Server, except I have performance issues. So now I have tried to use DbExpress instead of BDE. There are a little bit of improvement, but my app is still alot slower on sql server than it was on Paradox. Is Delphi so much slower on Sql Server than on Paradox ? Or am I doing something wrong ? I am working with big tables : 400 000 records.
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George Christoforakis
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PostPosted: Thu Jan 22, 2004 11:56 am    Post subject: Re: Sql Server versus Paradox Reply with quote



It is slow... when? When you open a table? This is normal when you use
tables and you TableX.Open them.
You have to use queries in order to see an improvement and/or to limit down
the records with the where clause.
Also a few setting on the sql-server setup, would help to improve the
performance.

George Christoforakis

"Karen" <karen (AT) vvconsult (DOT) co.za> wrote

Quote:

I am using Delphi 7 with Sql Server 2000. My job is to convert an
application from Paradox to Sql Server 2000. The app use BDE and it is not

so difficult to change from Paradox to Sql Server, except I have performance
issues. So now I have tried to use DbExpress instead of BDE. There are a
little bit of improvement, but my app is still alot slower on sql server
than it was on Paradox. Is Delphi so much slower on Sql Server than on
Paradox ? Or am I doing something wrong ? I am working with big tables : 400
000 records.



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Bill Todd (TeamB)
Guest





PostPosted: Thu Jan 22, 2004 2:11 pm    Post subject: Re: Sql Server versus Paradox Reply with quote



On 22 Jan 2004 03:34:42 -0700, "Karen" <karen (AT) vvconsult (DOT) co.za> wrote:

Quote:
Or am I doing something wrong ? I am working with big tables : 400 000 records.

4,000,000 records is not a big table for any SQL database server. Your
problem is most likely that you have not made the necessary changes in
the design of your application. Start by reading
http://community.borland.com/article/0,1410,28160,00.html

--
Bill (TeamB)
(TeamB cannot respond to questions received via email)

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