Call now: 252-767-6166  
Oracle Training Oracle Support Development Oracle Apps

 E-mail Us
 Oracle Articles
New Oracle Articles

 Oracle Training
 Oracle Tips

 Oracle Forum
 Class Catalog

 Remote DBA
 Oracle Tuning
 Emergency 911
 RAC Support
 Apps Support
 Oracle Support

 SQL Tuning

 Oracle UNIX
 Oracle Linux
 Remote s
 Remote plans
 Application Server

 Oracle Forms
 Oracle Portal
 App Upgrades
 SQL Server
 Oracle Concepts
 Software Support

 Remote S


 Consulting Staff
 Consulting Prices
 Help Wanted!


 Oracle Posters
 Oracle Books

 Oracle Scripts

Don Burleson Blog 







Monitoring the Data Guard SQL apply service

Oracle Database Tips by Donald BurlesonDecember 9, 2015

Oracle Data Guard

Monitoring Overall Progress of the SQL Apply Operation

A quick query on the dba_logstdby_progress view shows the overall progress of the SQL Apply operation on the standby site. The applied_scn column holds the system change number, which has been read and applied on the database, and the newest_scn has the latest system change number that has been received on the standby database. An equal value in the applied_scn and newest_scn indicates that all the logs received by the standby site have been applied on the database.

The script log_progress.sql from code depot can be used to find the overall progress:


Set linesize 100
Column Applied_Scn Format 999999
Column Read_Scn Format 999999
Column Newest_Scn Format 999999


The following is a sample output from the log_progress.sql script:

----------- ---------- ----------
     168011     167225     168133

This script shows there are few changes still to be applied on the logical Oracle instance in order for it to be consistent with the primary database.


The above text is an excerpt from the book: Oracle Data Guard Handbook

Oracle Training at Sea
oracle dba poster

Follow us on Twitter 
Oracle performance tuning software 
Oracle Linux poster


Burleson is the American Team

Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

Verify experience! Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. All legitimate Oracle experts publish their Oracle qualifications.

Errata?  Oracle technology is changing and we strive to update our BC Oracle support information.  If you find an error or have a suggestion for improving our content, we would appreciate your feedback.  Just  e-mail:  

and include the URL for the page.


Burleson Consulting

The Oracle of Database Support

Oracle Performance Tuning

Remote DBA Services


Copyright © 1996 -  2020

All rights reserved by Burleson

Oracle ® is the registered trademark of Oracle Corporation.