QEF Overview
From Ingres Community Wiki
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Query Execution Facility Overview
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Introduction
The Query Execution Facility (QEF) is one of the major components of the Ingres database server. It is the query execution engine of Ingres, taking a compiled query plan and interpreting it to produce the desired query results This document discusses the architecture of QEF in detail sufficient to enable a dbms practitioner to understand its major control structures and flow of control.
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More Detailed Information
Note that this document is a work-in-progress. Numerous sections have been laid out but not yet filled in. More will be added to this document over time.
