Call for Oracle support & training (800) 766-1884
Free Oracle Tips

Home
Corporate Oracle Training
Custom Oracle Training
Oracle New Features Training
Advanced Oracle DBA Classes
Oracle Tuning Courses
Oracle Tips & Tricks
Oracle Training Links
Oracle Training Links
Oracle Training Links

We are top for USA Oracle Training Clients

 

Free Oracle Tips


 
HTML Text AOL

Free Oracle App Server Tips


 
HTML Text

Oracle support

Oracle training

Oracle tuning

Rednecks!

Remote Oracle

Custom Oracle Training

 

   
  Oracle Replication Tips by Burleson

Oracle Multi-Master replication Examples of Defining Conflict Resolutions

Let’s look at creating some of the more common resolution methods in our PUBS schema. First, we will look at an example of the latest timestamp conflict resolution. Then we will look at using the site priority conflict resolution method.

Defining Latest Timestamp

Conflict resolution methods are defined using the dbms_repcat.add_update_resolution procedure.  In the following example, we will configure Oracle to use the latest timestamp method of resolution to settle conflicts with the pubs.sales table’s ORDER_DATE column. In this example we will:

  1. Define a column group for use by the resolution method.
     

  2. Define the resolution method.
     

  3. Add additional support as required.

Let’s look at these steps in more detail then.

Define the Column Group

The first step is to define a column group on the master definition site that uses this resolution method.

execute dbms_repcat.make_column_group(
    'PUBS','SALES','SALES_COLGP','*');

In this example, we are defining a column group called SALES_COLGP on the sales table in the PUBS schema.  This column group will include every column in the table, since the ‘*’ is being used. 

It is not necessary to include all columns in the column group.  Since the ORDER_DATE column can act as a primary key, we could have only defined

This is an excerpt from Oracle Replication By Rampant TechPress (only $19.95).  You can click here to order a copy and get instant access to the code depot:

http://www.rampant-books.com/book_2003_2_replication.htm


Get a Personal Oracle Replication Mentor

The author is now offering personal mentors for Oracle DBAs where you can have an Oracle expert right at your fingertips, anytime day or night. We work with hundreds of Oracle databases every year, so we know exactly how to quickly assist you with any Oracle replication question. 

You can get me personally, or any Oracle Certified replication DBA with more than 20 years of full-time IT experience. 

 

 

 
 
 

Oracle performance tuning book

 

 

Oracle performance tuning software

 
Oracle performance tuning software
 
Oracle performance Tuning 10g reference poster
 
Oracle training in Linux commands
 
Oracle training Excel
 
 
 
 

 

email BC:


Copyright © 1996 -  2014 by Burleson Inc. All rights reserved.

Oracle® is the registered trademark of Oracle Corporation.