Difference between general DB and Data Warehouse DB

Hi,
We have a server on which Oracle Database was already installed. We want to use it as a data wareshouse. I had a question that if this database would be sufficient for a data warehouse or i would have to create a new database for data warehouse. Is it possible to find out if the installation was general purpose or Data Warehouse?
Also if i go ahead then would it impact if i directly install the new database without uninstalling previous oracle database.
Appreciate your help
regards,
Edited by: user10243788 on Mar 23, 2010 2:09 AM

While installing you can select any one 'General Purpose' or 'Dataware house', the only difference in those two while installation is that the parameters for init.ora will be having high values for dataware house database, which can also be updated later manually. So you can go ahead and install general purpose database aswell but later you need to modify the init.ora parameters for specifying higher memory values for parameters like shared_pool_size, java_pool_size, db_buffer_cache etc.

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