Hi 
        We are looking at using Tomcat and Cocoon with 
Apache for a high volume database oriented website. We
can use either MySQL or PostgreSQL because we are in need
of transactions.

        How much support is available for MySQL or PostgreSQL
when we use DBPrism. I know that it supports many version
of Oracle, but we do not use Oracle.

        Thanks for your time.

Thanks
Joseph Rajkumar
======================================================================
>  You could use DBPrism External Cache Invalidator Server.
>  This server use ESI (http://www.w3.org/TR/esi-invp) invalidation
> protocol for caching coherence betwen the database server and cocoon.
>   In that case you could synchronize the XSP with a simple stored
> procedure or other process which sent and HTTP message to Cocoon's
> invalidator server.
>   This componenent is part of DBPrism, but I'll donate through bugzilla
> asap.
>   You could find more information about the flowmap of this process at:
> http://www.dbprism.com.ar/dbprism/doc/cms/CMS-WebCache.html
>   also internal information about the External Cache Invalidator Server
> interface for Cocoon 2:
> http://www.dbprism.com.ar/dbprism/doc/xdocs/Server.html
> Marcelo F. Ochoa - [EMAIL PROTECTED]
> Do you Know DB Prism? Look @ http://www.plenix.com/dbprism/
> More info?
> Chapter 21 of the book "Professional XML Databases" (Wrox Press
> http://www.wrox.com/)
> Chapter 8 of the book "Oracle & Open Source" (O'Reilly
> http://www.oreilly.com/catalog/oracleopen/)
> -----------------------------------------------
> Lab. de Sistemas - Fac. de Cs. Exactas - UNICEN
> Paraje Arroyo Seco - Campus Universitario
> (7000) Tandil - Bs. AS. - Argentina
> Te: +54-2293-444430 Fax: +54-2293-444431

email: [EMAIL PROTECTED]

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