Oracle Database 11gR2 performance tuning cookbook : over 80 recipes to help beginners achieve better performance from Oracle Database applications /

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In this book you will find both examples and theoretical concepts covered. Every recipe is based on a script/procedure explained step-by-step, with screenshots, while theoretical concepts are explained in the context of the recipe, to explain why a solution performs better than another. This book is...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Fiorillo, Ciro
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Birmingham : Packt Publishing, ©2012.
Temas:
Oracle (Computer file)
Relational databases.
Bases de données relationnelles.
COMPUTERS > Programming Languages > SQL.
Relational databases
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover; Copyright; Credits; About the Author; Acknowledgement; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Starting with Performance Tuning; Introduction; Reviewing the performance tuning process; Exploring the example database; Acquiring data using a data dictionary and dynamic performance views; Analyzing data using Statspack reports; Diagnosing performance issues using the alert log; Analyzing data using Automatic Workload Repository (AWR); Analyzing data using Automatic Database Diagnostic Monitor (ADDM); A working example
  • Chapter 2: Optimizing Application DesignIntroduction; Optimizing connection management; Improving performance sharing reusable code; Reducing the number of requests to the database using stored procedures; Reducing the number of requests to the database using sequences; Reducing the number of requests to the database using materialized views; Optimizing performance with schema denormalization; Avoiding dynamic SQL; Chapter 3: Optimizing Storage Structures; Introduction; Avoiding row chaining; Avoiding row migration; Using LOBs; Using index clusters; Using hash clusters
  • Indexing the correct wayRebuilding index; Compressing indexes; Using reverse key indexes; Using bitmap indexes; Migrating to index organized tables; Using partitioning; Chapter 4: Optimizing SQL Code; Introduction; Using bind variables; Avoiding full table scans; Exploring index lookup; Exploring index skip-scan and index range-scan; Introducing arrays and bulk operations; Optimizing joins; Using subqueries; Tracing SQL activity with SQL Trace and TKPROF; Chapter 5: Optimizing Sort Operations; Introduction; Sorting-in-memory and on-disk; Sorting and indexing; Writing top n queries and ranking
  • Using count, min/max, and group-byAvoiding sorting in set operations: union, minus, and intersect; Troubleshooting temporary tablespaces; Chapter 6: Optimizing PL/SQL Code; Introduction; Using bind variables and parsing; Array processing and bulk-collect; Passing values with NOCOPY (or not); Using short-circuit IF statements; Avoiding recursion; Using native compilation; Taking advantage of function result cache; Inlining PL/SQL code; Using triggers and virtual columns; Chapter 7: Improving the Oracle Optimizer; Introduction; Exploring optimizer hints; Collecting statistics; Using histograms
  • Managing stored outlinesIntroducing Adaptive Cursor Sharing for bind variable peeking; Creating SQL Tuning Sets; Using the SQL Tuning Advisor; Configuring and using SQL Baselines; Chapter 8: Other Optimizations; Introduction; Caching results with the client-side result cache; Enabling parallel SQL; Direct path inserting; Using create table as select; Inspecting indexes and triggers overhead; Loading data with SQL*Loader and Data Pump; Chapter 9: Tuning Memory; Introduction; Tuning memory to avoid Operating System paging; Tuning the Library Cache; Tuning the Shared Pool

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