Search icon
Subscription
0
Cart icon
Close icon
You have no products in your basket yet
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Oracle Database 11gR2 Performance Tuning Cookbook

You're reading from  Oracle Database 11gR2 Performance Tuning Cookbook

Product type Book
Published in Jan 2012
Publisher Packt
ISBN-13 9781849682602
Pages 542 pages
Edition 1st Edition
Languages
Author (1):
Ciro Fiorillo Ciro Fiorillo
Profile icon Ciro Fiorillo

Table of Contents (21) Chapters

Oracle Database 11gR2 Performance Tuning Cookbook
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
1. Starting with Performance Tuning 2. Optimizing Application Design 3. Optimizing Storage Structures 4. Optimizing SQL Code 5. Optimizing Sort Operations 6. Optimizing PL/SQL Code 7. Improving the Oracle Optimizer 8. Other Optimizations 9. Tuning Memory 10. Tuning I/O 11. Tuning Contention Dynamic Performance Views A Summary of Oracle Packages Used for Performance Tuning Index

V$SQL_PLAN


This view contains information on execution plans for each child cursor loaded in the library cache.

Fields

The most relevant view fields are as follows:

  • OPERATION: The name of the internal operation performed in the step

  • OBJECT_OWNER: The owner of the object (table or index)

  • OBJECT_NAME: The name of the object (table or index)

  • HASH_VALUE: The hash value of the parent statement in the library cache

  • SQL_ID: The SQL identifier of the parent cursor in the library cache

  • PLAN_HASH_VALUE: The hash value representing the SQL plan for the cursor, useful to compare two plans

See also

The V$SQL and V$SQLAREA sections in this appendix

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime}