Clik here to view.
Understand your Database through graphs
During the last months I have had to deal with highly consolidated databases, where there was no basic rule to achieve something maintainable. Over many years (some schemas are 30 years old) the number...
View ArticleClik here to view.
Multitenant Pills: Pushing your PDB to the Cloud in one step?
The Oracle Multitenant architecture introduces some nice opportunities, including local and remote cloning (see this example on ORACLE_BASE blog). However, the only available cloning procedure use the...
View ArticleClik here to view.
Multitenant Pills: Partial PDB cloning (and cleanup)
When consolidating to multitenant, there are several consolidation patterns. Big, complex databases usually have special requirements for which it might be a good choice to go to single-tenant (a...
View ArticleAwk to format the files .ora (listener.ora, tnsnames.ora, etc)
Tired of formatting the tnsnames.ora to make it more readable, I have taken the nice awk examples from Jeremy Schneider: https://ardentperf.com/2008/11/28/parsing-listenerora-with-awk-and-sed/ and...
View ArticleClik here to view.
How to get the Data Guard broker configuration from a SQL query?
Everybody knows that you can get the Data Guard configuration in dgmgrl with the command:show configuration;but few know that this information is actually available in x$drc:SQL> desc x$drc Name...
View ArticleClik here to view.
Real-Time Cascade Standby Container Databases without Oracle Managed Files
OK, the title might not be the best… I just would like to add more detail to content you can already find in other blogs (E.g. this nice one from Philippe Fierens...
View ArticleScript to check Data Guard status from SQL
In a previous blog post I have explained how to get the basic configuration from x$drc and display something like:OBJECT_ID DATABASE INTENDED_STATE CONNECT_STRING ENABLED ROLE RECEIVE_FROM SHIP_TO...
View ArticleData Guard, Easy Connect and the Observer for multiple configurations
EZConnect One of the challenges of automation in bin Oracle Environments is dealing with tnsnames.ora files. These files might grow big and are sometimes hard to distribute/maintain properly. The worst...
View ArticleParallel Oracle Catalog/Catproc creation with catpcat.sql
With Oracle 19c, Oracle has released a new script, annotated for parallel execution, to create the CATALOG and CATPROC in parallel at instance creation. I have a customer who is in the process of...
View ArticleClik here to view.
The fear of (availability) loss is a path to the dark side.
I have been a DBA/consultant for customers and big production environments for over twenty years. I have explained more or less my career path in this blog post. Database (and application) high...
View Article
