I agree with Tres.  A lot more can be done with Indexes and Catalog
without caching.

The most exiciting development in Catalog optimizations comes out
Jarn.  Helge Tesdal (iirc) did a buncha work  at a RDBMS company when
he was in college.  He has a protoype of a query plan for ZCatalog.


I would like to ask Roche and others to look at the Query Plan.

Caching is a total PITA because invalidation machinery becomes
overwhelming complex and unwieldly quickly in production.

Alan Runyan
Enfold Systems, Inc.
phone: +1.713.942.2377x111
fax: +1.832.201.8856
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