A poorly performing database application can cost each user time, and have an impact on other applications running on the same computer or the same network. This book will help DBA's and programmers improve the performance of their databases. It is not an introduction to SQL, nor is it a tuning manual for a particular SQL implementation. It is a guide for users and programmers who want to improve SQL performance no matter what brand of SQL they use. It will provide tuning tips for common situations, such as how to change a query so it will go faster and how to shift work from the server to the client. All the ideas have been tested against the eight leading DBMS applications. Almost all large organizations and companies today run more than one type of database. This is the only book to cover database tuning for them.

From the Back Cover

SQL Performance Tuning is a handbook of practical solutions for busy database professionals charged with managing an organization's critically important data. Covering today's most popular and widely installed database environments, this book is an indispensable resource for managing and tuning SQL across multiple platforms.

Packed with tips, techniques, and best practices, this hands-on guide covers SQL commands and queries over a wide range of conditions and environments. Every facet of the SQL environment is covered, from concurrency control to optimization봞nd every issue in between. The book includes an overview of each of the most widely used database management systems (DBMS) and provides tuning tips for common day-to-day situations.

Topics covered include:

  • General and specific tuning
  • General sort considerations and options
  • Joins and subqueries
  • Columns and tables
  • Indexes, including B-trees and bitmaps
  • Constraints and stored procedures
  • ODBC and JDBC
  • Data changes and concurrency control (locking)
  • Clients, servers, and middleware
  • Whether you are a programmer, consultant, or user, you will find SQL Performance Tuning an indispensable guide to optimizing SQL performance across today's popular database environments.

    Throughout SQL Performance Tuning, ideas and techniques are tested on a variety of popular SQL environments, including IBM DB2, Informix, Ingres, InterBase, Microsoft SQL Server, MySQL, Oracle, and Sybase ASE. The book's practical examples are written in ANSI/ISO Standard SQL: 1999.

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