TAILIEUCHUNG - Oracle SQL Tuning Pocket Reference By Mark Gurry

This book is a quick-reference guide for tuning Oracle SQL. This is not a comprehensive Oracle tuning book. The purpose of this book is to give you some light reading material on my "real world" tuning experiences and those of my company, Mark Gurry & Associates. We tune many large Oracle sites. Many of those sites, such as banks, large financial institutions, stock exchanges, and electricity markets, are incredibly sensitive to poor performance. With more and more emphasis being placed on 24/7 operation, the pressure to make SQL perform in production becomes even more critical. When a new SQL statement. | Oracle SQL Tuning Pocket Reference By Mark Gurry Publisher O Reilly Table of Contents Index Reviews Reader Reviews Errata Copyright Chapter 1. Section Section Section Section Section Section Section Section Section Index Pub Date January 2002 ISBN 0-596-00268-8 Pages 108 Oracle SQL TuningPocket Reference . . . . . . . . . Introduction The SQL Optimizers Rule-Based Optimizer Problems and Solutions Cost-Based Optimizer Problems and Solutions Problems Common to Rule and Cost with Solutions Handy SQL Tuning Tips Using SQL Hints Using DBMS_STATS to Manage Statistics Using Outlines for Consistent Execution Plans Chapter 1. Oracle SQL TuningPocket Reference Section . Introduction Section . The SQL Optimizers Section . Rule-Based Optimizer Problems and Solutions Section . Cost-Based Optimizer Problems and Solutions Section . Problems Common to Rule and Cost with Solutions Section . Handy SQL Tuning Tips Section . Using SQL Hints Section . Using DBMS_STATS to Manage Statistics Section . Using Outlines for Consistent Execution Plans Introduction This book is a quick-reference guide for tuning Oracle SQL. This is not a comprehensive Oracle tuning book. The purpose of this book is to give you some light reading material on my real world tuning experiences and those of my company Mark Gurry Associates. We tune many large Oracle sites. Many of those sites such as banks large financial institutions stock exchanges and electricity markets are incredibly sensitive to poor performance. With more and more emphasis being placed on 24 7 operation the pressure to make SQL perform in production becomes even more critical. When a new SQL statement is introduced we have to be absolutely sure that it is going to perform. When a new index is added we have to be certain that it will not be used inappropriately by existing SQL statements. This book addresses these issues. Many sites are now utilizing third-party packages such as .

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