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Article #1233

Re: paradox, ms access, ADO etc.

#1233
From: Viatcheslav V. Vassiliev
Date: Mon, 27 Sep 2004 09:53
153 lines
6523 bytes
> 1.
No - read license for specific product.

> 2.
Yes.

> 3.
Yes. As well as commercial product can become open source.

> 4.
Yes. Any project, be it commercial or not, could be closed. If project is
good - use it. If project is popular, you will be able to have support from
other users - in forums, newsgroups etc.

//------------------------------------------
Regards,
Vassiliev V. V.
http://www.managed-vcl.com - using .Net objects in Delphi for Win32 +
ADO.Net
http://www.oledbdirect.com - The fastest way to access MS SQL Server,
MS Jet (Access) and Interbase (through OLEDB)


"Sudesh" <sudeshc@vfemail.net> �������/�������� � �������� ���������:
news:4157caf3@newsgroups.borland.com...
> Hi: thanks. have some questions:
> 1. are all Open Source softwares free? free also for commercial
development
> & distribution?
> 2. the 3-rd party developers providing tools for such OpenSource softwares
> may not be free. correct?
> 3. is there any possibility that an existing OpenSource s/w can become
> proprietary in future?
> 4. is it a good idea to use Open Source softwares for commercial
> developments? what if the project is closed and/or there is no support?
> would like to give any more comments regarding this issue?
> thanks,
> sudesh
>
> "Viatcheslav V. Vassiliev" <support@oledbdirect.com> wrote in message
> news:41512535$1@newsgroups.borland.com...
> > 1. Firebird is better (more powerfull), 2. MySQL is not free (look its
> > license) - I think it is important for you.
> >
> > Firebird is based on Interbase 6.0 OpenSource but after that it is
another
> > branch than Interbase. For components, search on
http://www.ibphoenix.com/
> > (for example,
> > http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_dev_comps) -
there
> > is
> > list of components for Delphi/BCB. Not sure about components for BCB 3.
> >
> > //------------------------------------------
> > Regards,
> > Vassiliev V. V.
> > http://www.managed-vcl.com - using .Net objects in Delphi for Win32 +
> > ADO.Net
> > http://www.oledbdirect.com - The fastest way to access MS SQL Server,
> > MS Jet (Access) and Interbase (through OLEDB)
> >
> > "Sudesh" <sudeshc@vfemail.net> �������/�������� � �������� ���������:
> > news:41510846@newsgroups.borland.com...
> >> Hi Vassiliev:
> >>
> >> What would be better choice betn. Firebird and MySQL?
> >> Firebird is the same Interbase?
> >> Are there BCB components available for both?
> >>
> >> Thanks,
> >> Sudesh
> >>
> >> "Viatcheslav V. Vassiliev" <support@oledbdirect.com> wrote in message
> >> news:41502b05@newsgroups.borland.com...
> >> > Normal DBMS such as Firebird, Interbase, MS SQL Server etc.
> >> >
> >> > Firebird is free, open source and has small install, MSDE (desktop
> > version
> >> > of MS SQL Server) is installed with MS Office, MS Visual Studio and
> >> > some
> >> > other MS products. MSDE is redistributable (look
> >> > http://www.microsoft.com/sql/msde/howtobuy/msdeuse.asp) but has
> >> > restriction
> >> > for 5 concurrent connections (after that it will artifically slow
> > down) -
> >> > it
> >> > is usually enough for 50 actual users, and 2 GB databases.
> >> >
> >> > //------------------------------------------
> >> > Regards,
> >> > Vassiliev V. V.
> >> > http://www.managed-vcl.com - using .Net objects in Delphi for Win32 +
> >> > ADO.Net
> >> > http://www.oledbdirect.com - The fastest way to access MS SQL Server,
> >> > MS Jet (Access) and Interbase (through OLEDB)
> >> >
> >> > "Sudesh" <sudeshc@vfemail.net> �������/�������� � �������� ���������:
> >> > news:41501880@newsgroups.borland.com...
> >> >> Hi Viatcheslav:
> >> >> Thanks for your reply.
> >> >> So whats better when 50+ users are expected to access the database?
> >> >> Thanks
> >> >> sudesh
> >> >>
> >> >> "Viatcheslav V. Vassiliev" <support@oledbdirect.com> wrote in
message
> >> >> news:41500aa9@newsgroups.borland.com...
> >> >> > BDE is deprecated by Borland, Access is deprecated by Microsoft.
But
> >> >> > unlike
> >> >> > BDE, there are updates for Jet. Access is used more wide and will
> > have
> >> >> > quite
> >> >> > long life before completely going out. For Access, ADO is better.
DB
> >> > size
> >> >> > is
> >> >> > limited to 2 GB, but if you do not compact it periodically, it
will
> >> >> > only
> >> >> > grow, so real max. is 500 MB - 1 GB. Max. concurent users is ~
5-10.
> >> >> >
> >> >> > //------------------------------------------
> >> >> > Regards,
> >> >> > Vassiliev V. V.
> >> >> > http://www.managed-vcl.com - using .Net objects in Delphi for
Win32
> >> >> > +
> >> >> > ADO.Net
> >> >> > http://www.oledbdirect.com - The fastest way to access MS SQL
> >> >> > Server,
> >> >> > MS Jet (Access) and Interbase (through OLEDB)
> >> >> >
> >> >> > "Sudesh" <sudeshc@vfemail.net> �������/�������� � ��������
> >> >> > ���������:
> >> >> > news:414fdaa0@newsgroups.borland.com...
> >> >> >> no reply from anybody?? :-(
> >> >> >>
> >> >> >>
> >> >> >
> >> >> >
> >> >>
> >> >>
> >> >
> >> >
> >>
> >>
> >
> >
>
>
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References: <414da6a7@newsgroups.borland.com> <414fdaa0@newsgroups.borland.com> <41500aa9@newsgroups.borland.com> <41501880@newsgroups.borland.com> <41502b05@newsgroups.borland.com> <41510846@newsgroups.borland.com> <41512535$1@newsgroups.borland.com> <4157caf3@newsgroups.borland.com>

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From: "Viatcheslav V. Vassiliev" <support@oledbdirect.com>
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References: <414da6a7@newsgroups.borland.com> <414fdaa0@newsgroups.borland.com> <41500aa9@newsgroups.borland.com> <41501880@newsgroups.borland.com> <41502b05@newsgroups.borland.com> <41510846@newsgroups.borland.com> <41512535$1@newsgroups.borland.com> <4157caf3@newsgroups.borland.com>
Subject: Re: paradox, ms access, ADO etc.
Date: Mon, 27 Sep 2004 13:53:53 +0400
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