Tag: Oracle

Automating APEX Applications Backup

In a previous post, I discussed that the APEXExport tool may be the best one to use when exporting APEX applications. You may also have experience using this tool. Today, I’d like to present some alternatives to the APEXExport tool….

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“The Cluster Upgrade State is [ROLLING PATCH]” with Correct Patch Level in all Nodes

I was performing a spot health check in a client environment, when I encountered this: [[email protected] ~]$ crsctl query crs releaseversion Oracle High Availability Services release version on the local node is [12.1.0.2.0] [[email protected] ~]$ crsctl query crs activeversion -f Oracle…

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Post-Mortem Analysis Tools: Using Preliminary Connection

Editor’s note: This “post-mortem analysis” series consists of four posts in total. Make sure you also check out: Post-Mortem Analysis Tools: Systemstate Dump Post-Mortem Analysis Tools: ASH Dump Post-Mortem Analysis Tools: Hanganalyze Now, onto today’s post: Many DBAs have been…

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Moving APEX Applications Repository with APEXExport

Most likely you’ve landed here because you need to migrate APEX applications/workspaces from one database to another. If so, you’re in the right place! We’ll use APEXExport to accomplish this. I’m providing a quick summary of the steps for using…

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Creating a Read-Only Account on Database with VPD or Label Security

I have an interesting case to share in this post. The story started when a client asked for a read-only account (let’s call it RO_USER) with access to objects under another schema (let’s call it SCHEMA_OWNER). Easy going, right? Create…

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Can Concurrent Processing Abort Help Automation and Predictable Maintenance?

On the surface concurrent processing (CP) looks simple; a new request is pending for a while, then it runs and is completed. However in the background it’s extremely complicated with all the statuses, schedules, permissions, incompatibilities, etc. If you’d like…

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Connect to Vagrant Virtual Machine over Wi-Fi Network

I recently had the need to quickly set up an Oracle 19c database lab environment on Linux to run some tests. My laptop was already running a VirtualBox VM with Oracle 12.2 release and I wanted to have a different…

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Relying on Guaranteed Restore Points? Be careful!

Are you relying on guaranteed restore points (GRP) as a fallback plan for your migration or upgrade strategy? If you’re using RAC, especially before 12.2, be careful! When performing a non-prod upgrade with the AutoUpgrade tool, after completing the upgrade,…

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Opatchauto Failing On “CheckActiveFilesAndExecutables” during Prerequisite Check

Very recently, when applying the 2021 January CPU in a client environment, the following happened: [[email protected] 32226239]# $ORACLE_HOME/OPatch/opatchauto apply OPatchauto session is initiated at Sun Mar 14 03:00:06 2021 System initialization log file is /u01/app/oracle/product/19c/grid/cfgtoollogs/opatchautodb/systemconfig2021-03-14_03-00-08AM.log. Session log file is /u01/app/oracle/product/19c/grid/cfgtoollogs/opatchauto/opatchauto2021-03-14_03-00-13AM.log…

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Clear Exadata Component Messages after Maintenance

What can you do if you’ve completed maintenance in a component (a memory component, as per the example below) but keep receiving failure messages? First, try clearing all the error messages after completing the maintenance. Now, check if the threshold…

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