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From Julian Hyde <julianh...@gmail.com>
Subject Re: In-place processing and performance.
Date Wed, 19 Sep 2012 15:37:30 GMT
Higher-level caches are also possible. Caching query results, or intermediate results, or on-demand
creation of materialized views based on usage. OLTP databases find disk block caches useful,
analytic databases generally cache at a higher level (thus saving both IO and CPU).

These forms of caching are further removed from the disk cache, therefore offer more incremental
benefit than a cache at the scan level. Also, the data higher up the pipeline tends to be
much smaller.

I'm not saying we should do any of these. Just laying out the options.

Julian


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