Re: dbGonazles database for Delphi, Kylix and C++Builder
From: Adrian Veith (nospam_at_veith-system.de)
Date: 01/28/04
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Date: Wed, 28 Jan 2004 13:00:39 +0100
Danijel Tkalcec schrieb:
> I'm a bit dissapointed now.
> I started your GDemo.exe and tested one situation that could happen in a
> real life, when I got this Access violation ...
> -------------------
> "Die Anweisung in "0x00402272" verweist auf Speicher in "0x00000018". Der
> Vorgang
> "read" konnte nicht auf dem Speicher durchgeführt werden.
> -------------------
> What I did was simply start one GDemo.exe as Local-Server, then start
> another GDemo as Client and connected to "localhost" (where the server was
> running). Then I added a few objects (both GDemo.exe processes saw the same
> objects, meaning that the connection was working). When I had 40.000
> objects, I closed the Server (this should simulate that the connection got
> lost). And this is where the Access violation popped out on the Client side.
>
> Is this a problem of this particular Client?
>
Hi Danijel,
it was a problem of this particular client and the termination sequence
of the server. I have changed the method of abnormal termination. It
should work now. You can download the repaired version at
www.db-gonzales.de/download/GDemo.zip
But anyway, please consider, that even if this client crashed with an
uggly error, the database is still intact and does not need any repair.
Thank you very much for pointing me to this error.
Best regards,
Adrian Veith.
-- Veith System GmbH. Tel: +49-(0)8052-2636 Fax: +49-(0)8052-4019 > Best Regards, > Danijel Tkalcec > > "Adrian Veith" <nospam@veith-system.de> wrote in message > news:bv5con$kmt$03$1@news.t-online.com... > >>Hello Developers, >> >>we are glad to inform you, that the dbGonzales Database for Delphi has >>reached its public beta state. >> >>dbGonzales is a high speed object oriented client/server database. Here >>are some of its unique features: >> >>- the object oriented database design enables you, to develop your >>applications faster. >>- migrate your relational databases to higher performance. >>- a SQL query engine will be available in the final version. >>- scalable to your needs: from embeded single user to multi-user and >>client/server. >>- eliminate performance bottlenecks with our highly optimized database >>engine. >>- the client based query engine guarantees better performance and less >>load on the server and the net. >>- secure and crash proof filesystem for your valuable data. >>- use transactions for your data consistency. >>- object oriented design allows you to expand our database-engine to >>your needs. >>- 100% written in Delphi. >>- TDataSet component available. >>- easy development - easy installation - easy administration. >> >>We have published some benchmarks on our web-site www.db-gonzales.de >> >>You can also download two demo-applications. >>One is an dbGonzales implementation of a benchmark released on the >>SQLite web-site. In this benchmark program, dbGonzales beets SQLite on >>all operations, most of the time between factor 2 to 10. (SQLite claims >>to be twice as fast as MySQL!!) >>This demo is a single file and includes the embedded dbGonzales >>single-user engine. >>Codesize 553 KBytes >> >>The other is a graphical demo, which shows database updates in real-time >>and thus creating an animation. This demo also makes use of the >>oo-features build in dbGonzales (Virtual method invocation of the >>objects stored in the database - used for painting). >>This demo is a single file and includes an embedded dbGonzales server >>and the client TDataSet componentes. >>Codesize 827 KBytes >> >>We will give time limited evaluation components to interested developers. >>In the beta test period, we support only Delphi 5, Delphi 7 and Kylix 3. >> >>Please contact me per email: software@veith-system.de >> >> >>Best regards, >> >>Adrian Veith. >>-- >>Veith System GmbH. >> >>Tel: +49-(0)8052-2636 >>Fax: +49-(0)8052-4019 >> > > >
- Next message: Arda Han: "Using gettext ???"
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- In reply to: Danijel Tkalcec: "Re: dbGonazles database for Delphi, Kylix and C++Builder"
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