Cache cache view

Hello everyone.
I have large db that works slowly, because a large number of i/o reads. My hard drive is not very good, so it takes time to read the data.
I am trying to load the main table to the cache with this query:
alter table DocsTable cache
The DocsTable is great and I do not want to load all its cache of lines.
I can tell Oracle to cache only a few lines I want?
Something like this:
Pseudo code
alter table DocsTable cache where CreationDate > '01/01/2010'
Another question.
How can I find out how many megabytes my table will be in the cache?

Thank you
MTs.

Sounds like an index or materialized view may meet your needs. Documentation of the OTN; http://www.Oracle.com/technology/documentation/index.html.

Tags: Database

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