Optimization of Nested Queries in a Distributed Relational Database

Abstract

This paper describes how nested queries in the SQL language are processed by R*, an experimental adaptation to the distributed environment of the well-known centralized relational DBMS, System R. Nested queries are queries in which a predicate references the result of another query block (SELECT...FROM...WHERE...), called a subquery block (subQB). SubQBs… (More)

Topics

3 Figures and Tables

Slides referencing similar topics