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Physical memory needed for 10TB database

We are looking to install a new Oracle 9i database which will be around 10TB. I'm looking for a good rule of thumb on the physical memory needed for a DB of that size.

We are looking to install a new Oracle 9i database which will be around 10+TBs in size. I'm looking for a good rule of thumb or a chart or something that will give me an idea of the physical memory size needed for a DB of that size.
Setting initialization parameters for your database (and determining physical memory requirements) is not a quick process. In fact, it's an iterative process that often continues after the database is in production. For information on specific factors to take into consideration prior to creating a database, review the Oracle9i Release 2 (9.2) Database Administrator's Guide.

The two sections that may be of relevance to your question are:

This was last published in February 2007

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