David,

I did a project in 2001 where I knew before I started that 4D could not handled 
the number of records in it’s database.  I found Firebird and I also found 
someone who had written a plugin for 4D to speak to it.

Firebird is a very powerful, very versatile and is very SQL compliant, I loved 
it.  I was also impressed with it’s ability to work as a local database (like 
SQLite).

The plug-in however was a complete failure.  After about 3 weeks of constantly 
feeding back issues to the developer he finally abandoned the project and I so 
I jumped ship and went with PostgreSQL and the plugin from the inestimable Rob 
Laveaux at Pluggers.  At the time I was not comfortable with the ODBC offerings 
but I am sure that has improved.  At the time I also asked Rob if he would 
consider doing a plugin for Firebird but having looked into it there were some 
technical issues that made him shy away.

With 4D you would be able to do both a great web app but also have the option 
of creating smaller tactical desktop apps to connect if the web timescales 
start causing issues.

Good luck with the project and keep us posted.

Regards,  Dougie
________________________________________________________

telekinetix Limited- J. Douglas Cryer
Phone : 01234 761759  Mobile : 07973 675 218
2nd Floor Broadway House, 4-6 The Broadway, Bedford MK40 2TE
Email : [email protected] <mailto:[email protected]>  Web : 
http://www.telekinetix.com <http://www.telekinetix.com/>
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