Reading a database from multiple threads

Ivan Smahin ivan_smahin at paradigmasoft.com
Mon Jun 1 03:26:15 CDT 2009


Hello Thomas,

Monday, June 1, 2009, 11:14:02 AM, you wrote:

> Hi Ivan,

>> 
>>>>>> You mean the db is running on a VServer or using a local file?
>>>>>>
>>>>> Its just a local file and each thread has its own IVDatabase-object  
>>>>> open to
>>>>> the same file.
>>>>
>> 
>>  >> No, it is not possible to do -
>>> *shocked*
>> 
>>>> you can't e.g. open the db in VSudio  
>>>> AND debug the app
>>>>
>>> But this I'm doing here. While my app is debugging, I have the same vdb open
>>> in VStudio. Maybe we misunderstood the problem?
>> 
>>> Its actually just a multi-user scenario, so multiple access to a single vdb at
>>> the same time.
>>> This even works with old MS Access 97, which I'm using until now.
>> 
>>> So please tell me what I must do for a proper multi-user setup.
>> 
>> You should use Valentina Server for multiple access the database.
> What is Vserver? Is it a seperate product? Or just a different way of 
> programming the vnet-adk?

It  is  separate  product.  But it requires very slight changes to your
existing code.

http://www.valentina-db.com/dokuwiki/doku.php?id=valentina:features:vserver:vserver



-- 
Best regards,
Ivan Smahin 
Senior Software Engineer
Paradigma Software, Inc
Valentina - The Ultra-Fast Database
http://www.valentina-db.com



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