Hello all,

I created two web database applications - first one is the company 
news system (as part of the company pages), second one is the 
company data presentation system (part of the company pages, too). 
All (unfortunately) the M$ environment - NT or 2003 server.

The first app is managed from the web interface, the second app is 
managed by database client win32 app (created by PowerBuilder, std 
client-server approach, ODBC). For the second app I need to create 
the web presentation interface now (no data modifications, heavy sql 
queries :-( ).

The first app contains only small amount of data (10 database 
tables, max 100 rows in the largest table) but the second app 
contains large number of tables, more than 100000 rows in major part 
of tables, very sensitive company data, requires sophisticated and 
intelligent db engine strategies for queries, ...

For the first app I wanted to use MySQL, for the second one I wanted 
the Sybase SQL Anywhere. But now I am in doubt. I'm playing with the 
idea to substitute the Sybase SQL Anywhere by the PostgreSQL or 
MySQL. I need all the SQL decorations (stored procedures, stored 
functions, triggers, declarative referential integrity (foreign 
keys), ...) I'm playing with the idea to unify the database 
environment (use only one db engine and two databases, not two 
different db engines for two databases), too.

Is the MySQL or (preferably-IMHO) PostgreSQL database engine stable, 
robust, safe, ..... in order to use it for these company very 
sensitive data, for heavy data mining app, ... ? Is it safe to unify 
the database engine types and use only one engine for these two 
apps/dbs? Can I rely on the MySQL and/or PostgreSQL engines? Do you 
suggest me to use (one of/both) these two db engines for the main 
company data presentation database?

Best Regards

IvoD








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