On Mon, Dec 15, 2008 at 1:15 PM, Ashish Thusoo <[email protected]> wrote:
> There is a lot of work done on a technology called materialized views which
> can provide a lot of these benefits in a very useable manner, though at the
> expense of using more disk storage. Essentially, the idea is to materialize
> views of data and keep them updated when data changes.

The other part is how they are used.  The database can rewrite queries
to use the materialized view instead of the base tables.  This rewrite
happens automatically, without any code changes or requiring users to
know about the materialized views.  A database tool can analyze
queries and suggest materialized views to create.

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