Query Execution


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Table of Contents

Query Execution

Query Execution Plans


Putting them all together

Implementing Relational Operations

Schema for Examples

Simple Selections

Using an Index for Selections

Two Approaches to General Selections

Intersection of Rids

Implementing Projection

Equality Joins With One Join Column

Simple Nested Loops Join

Index Nested Loops Join

Examples of Index Nested Loops

Block Nested Loops Join

Sort-Merge Join (R S)

Cost of Sort-Merge Join


Cost of Hash-Join

How are we doing?

Double Pipelined Join (Tukwila)

Author: Alon Levy

Email: alon@cs.washington.edu

Home Page: http://www.cs.washington.edu/homes/alon

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