Blog Archives

Playing with VirtualBox, Oracle 12c ( and OEL 6.4 – Part 1

Now that 12c was released it’s time to install in on OEL 6.4 64 bits OS. Let’s start playing with this. Before we start with the creation of the VM we will need to download some software first, such as:

Tagged with: , , , , ,
Posted in 12c, General, Oracle FAQ, OVM, Tutorials, User Groups, White Papers

Once again, How to Improve your Oracle Career

The main question about the DBA job I hear all the time is: How can I became a successful DBA? Most of the people that I talk to who have difficulties starting out in their DBA career really have an

Posted in DBA Career Tips, General, Interview Tips, Oracle FAQ

What was new for Oracle Backup and Recovery at 11g?

Oracle 12c is around the corner and due that I have received many questions from fellow DBAs about what was new about Backup and Recovery at 11g I have decided to write a small white paper about it. Hope you

Posted in 11gR2, Backup & Recovery, General, Oracle FAQ, Tutorials, White Papers

Tip of the month – Magic for DBAs

Who never had a problem with a SQL that is killing your Database Performance and you can’t fix it because it’s running from an external closed application that you or your developers can’t touch? Since Oracle version 10 this is

Posted in General, Oracle FAQ, Tuning, Tutorials

DB_ULTRA_SAFE a new GEM for High Availability

DB_ULTRA_SAFE is a new parameter introduced with Oracle 11gR1, and a fantastic new GEM for High Availability, that using Data Guard to configure on both the primary and standby will trigger the most comprehensive data corruption prevention and detection (and

Posted in 11gR2, DBA Career Tips, General, Oracle FAQ, Others, Tutorials

Error cannot open shared object file when installing Grid Control

I’m writing this post due that I receive this question almost once a week regarding OEM installations. If you see this error when installing your Oracle Enterprise Manager (Grid Control at OEL 5 or RHEL 5: /home/oracle/OracleHomes/oms10g/Apache/Apache/bin/httpd: error while

Posted in General, Grid Control, Linux, Oracle FAQ

Finally, Oracle 11gR2 is here!!

After months of tests, Oracle released today the newest release of 11g Database ( – for Linux x86 and 64bit only), with more than 200 new features and a lot of excellent surprises. Oracle Database 11g Release 1 (11.1 –

Posted in 11gR2, General, Migrations, News, Oracle FAQ, Upgrade/Migration

Back to Basics:The Oracle Editions

Sometimes understanding the Oracle Database Editions is a little confuse, and on my opinion know all the options available in the market is something very important and fundamental for any DBA. The main idea of this post is to help you

Posted in General, Oracle FAQ, Questions, Tutorials

RemoteOperationException: ERROR: NMO not setuid-root (Unix-only)

One of my DBA’s just ask me why he was receiving the following error each time he tried to setup the host information thru the dbconsole (OEM): – RemoteOperationException: ERROR: NMO not setuid-root (Unix-only) The answer is very easy, this

Posted in General, Oracle FAQ, Questions

How to solve the error “EXP-00056: ORACLE error 19206″ during an export

If you see the error EXP-00056 with Oracle error 19206 (like show bellow) when executing a export of an entire schema in Oracle 9i or 10g, don’t panic. The solution is easy. EXP-00056: ORACLE error 19206 encountered ORA-19206: Invalid value

Posted in General, Oracle FAQ