Look-ahead predicate generation for join costing and optimization

A relational database system analyzes each potential join in a query, to determine whether a relation involved in the join is subject to a selection criterion, and evaluate whether that selection criterion or the join per se effects a join reduction. The computational expense of generating a look-ah...

Full description

Saved in:
Bibliographic Details
Main Authors ABDO ABDO E, BESTGEN ROBERT J, DIETEL JOHN D
Format Patent
LanguageEnglish
Published 21.07.2005
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Online AccessGet full text

Cover

Be the first to leave a comment!
You must be logged in first