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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

ALL_OBJECTS


This view lists all the database objects the current user can access. As for many ALL_ views, there are similar DBA_OBJECTS and USER_OBJECTS views; they have the same fields but DBA_OBJECTS shows all the objects in the database, while USER_OBJECTS shows information only on the objects of the current user.

This view is often joined to other dynamic performance views, for example, V$LOCKED_OBJECT, by OBJECT_ID to obtain the object name and owner.

Fields

The most relevant view fields are as follows:

  • OWNER: The owner of the object

  • OBJECT_NAME: The name of the object

  • OBJECT_ID: The unique ID associated to the object in the data dictionary

  • OBJECT_TYPE: The object type, such as TABLE, INDEX, and so on

  • CREATED: The timestamp for the creation of the object

  • STATUS: The status of the object, such as VALID, INVALID, or N/A

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