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Article View: borland.public.cppbuilder.database.ado
Article #5646

Re: Newbie help

#5646
From: Piero Salandin
Date: Tue, 27 Mar 2001 15:25
47 lines
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Hi, Mark, and thanks for the answer.

> First, you need to be more specific. Have you checked the help files and
> the documentation? Have you done any BDE oriented database programming?
>
> Without that, we can't really do much to help.

I checked the ADO documentation , but without success, and I was hoping for
a help on a general and specific behaviour with ADO and, say MS SQL Server,
meaning a true Database.
This is because I would like to put up  if not a framework at least a "way
of life" on relational databases used by CBuilder / Delphi through ADO.

My experience in relational databases is a 4-year use of  PowerBuilder to
access MS SQL Server, Sybase Adaptive Server Anywhere rel. 5, 6 & 7 and a
few of Sybase ASE, mostly 11.x.
In PB, a true C/S 4GL OO environment, it has been relatively easy for me and
the team I qwas into to build up a framework in which a LUW was truly
transactional, obviously making use of the transaction management provided
by the three databases.

My experience in using CBuilder for database applications is limited to
Paradox, as I used CBuilder, till now, just for small applications.

The problem is that now I want to use CBuilder for serious database
applications, which need data consistency, concurrency and transaction
management for at least the 3 different database models I was talking about.
Indeed, the possibility to sometimes switch down to MS Access without
re-writing applications would be appreciated, as well as not using, by now,
other kind of technology (say CORBA or else).

Maybe qwe can concentrate on some little steps by now:

First of all I would like to know whether it is possible *not* to fetch all
the rows in an ADO RecordSet.

Then, which policy would be advisable to manage concurrency problems. I mean
two client applications accessing the same database.

At least where should I look for?

>
> I did a good chapter on this subject in the new SAMS C++ Builder 5
> Developers Guide, which you can get from Amazon.
>

Gonna take a look ASAP.
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From: "Piero Salandin" <piero.salandin@libero.it>
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Subject: Re: Newbie help
Date: Tue, 27 Mar 2001 17:25:17 +0200
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