Learn through this practical guide to SQL tuning how Oracle's own experts do it using a freely
downloadable tool called SQLTXPLAIN. This new edition has been expanded to include AWR Oracle
12c Statistics interpretation of SQL Monitor reports Parallel execution and Exadata-related
features. Reading this book and using SQL helps you learn to tune even the most complex SQL
and you'll learn to do it quickly without the huge learning curve usually associated with
tuning as a whole. Firmly based in real-world problems this book helps you reclaim system
resources and avoid the most common bottleneck in overall performance badly tuned SQL. You'll
learn how the optimizer works how to take advantage of its latest features and when it's
better to turn them off. Best of all the book is updated to cover the very latest feature set
in Oracle Database 12c. Covers AWR report integration Helps with SQL Monitor Report
Interpretation Provides a reliablemethod that is repeatable Shows the very latest tuning
features in Oracle Database 12c Enables the building of test cases without affecting
productionWhat You'll Learn Identify how and why complex SQL has gone wrong Correctly interpret
AWR reports generated via SQLTXPLAIN Collect the best statistics for your environment Know when
to invoke built-in tuning facilities Recognize when tuning is not the solution Spot the steps
in a SQL statement's execution plan that are critical to performance of that statement Modify
your SQL to solve performance problems and increase the speed and throughput of production
database systems Who This Book Is ForAnyone who deals with SQL and SQL tuning. Both developers
and DBAs will benefit from learning how to use the SQLTXPLAIN tool and from the problem
solving methodology in this book.
