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04.06.2008 at 04:32AM PDT, ID: 23299349
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9.0

Looking for a simple solution to port database application to an SQL multi-user environment

Asked by blarke in Programming Languages, Delphi Programming, SQL Server 2005

Tags:

I have a Delphi database application (ADO/WIN32) working well on a local SQL instance with transactions.

When moving to a remote SQL instance of the same data (changing the connection strings accordingly), it only allows access to tables for a single user (timeouts). My problem is that all tables are open throughout  the application! All datacontrols refer to open tables. Tables are only closed as user exits the app. Also, when the user ends the application, he may choose to commit or rollback all changes using transaction method. This was a very simple structure for me getting started doing this application.

But now, the depth of hell is showing. I thought, intuitively, not being an educated programmer, that the method of transactions would automatically cache data, and commit changes, allowing for multiple users. Yeah, I know - data conflicts would occur. But, hey...

So what should I do know? My datacontrols requires for tables to be open. If I close them, data don't show. Any better use of the method of transactions? Caching tables (how is that done, precisely - thought ADO did it by default?) Any way that I still can work with all tables being open throughout the client application running?

Sorry, about the overwhelming nature of this problem - I am mainly looking for general directions keeping the notion of "simple" in mind.
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Keywords: Looking for a simple solution to port dat…
Title
1 slow result from a SQL query using del…
2 Natural Language processing
3 ADO Query - change DateTimePicker …
4 Education
5 Delphi Multi Threading
6 Delphi
 
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[+][-]04.06.2008 at 08:27AM PDT, ID: 21292086

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[+][-]04.06.2008 at 08:44AM PDT, ID: 21292139

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Zones: Programming Languages, Delphi Programming, SQL Server 2005
Tags: Delphi 2005
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Solution Provided By: aikimark
Participating Experts: 2
Solution Grade: A
 
 
[+][-]04.06.2008 at 09:43AM PDT, ID: 21292338

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[+][-]04.06.2008 at 10:47AM PDT, ID: 21292508

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[+][-]04.06.2008 at 11:10AM PDT, ID: 21292591

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[+][-]04.07.2008 at 10:49AM PDT, ID: 21299038

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[+][-]04.07.2008 at 11:09AM PDT, ID: 21299215

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20081112-EE-VQP-44 - Hierarchy / EE_QW_2_20070628