Hi, I’m Syed Anwar Ahmed
Oracle Apps DBA · 11 Years of Production Experience
I write practical, real-world guides on Oracle Database and E-Business Suite — troubleshooting tips, DBA best practices, and solutions drawn from over a decade of hands-on production experience.
About Me
I’m an Oracle Apps DBA with 11 years of experience working in production environments. My expertise covers Oracle E-Business Suite (EBS), Oracle Database administration, performance tuning, patching, and real-world troubleshooting. This blog is where I document solutions to problems I’ve encountered on the job — so you don’t have to spend hours searching for answers I’ve already found.
Latest Posts
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Oracle EBS R12.2 Multi-Node Patching in Downtime Mode: Recovering a Failed Slave Node with restart=yes
During a downtime-mode patch on an EBS R12.2 multi-node system, the apply succeeded on the master node but failed on the slave — while ADOP still printed “adop exiting with…
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Oracle EBS R12.2 AutoConfig Template Version Conflict After Patching: How to Preserve Customizations
AutoConfig aborts after patching with “Version Conflicts among development maintained and customized templates encountered”. How to identify which entries are genuine customizations versus old Oracle-shipped content, rebase the custom template…
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EBS 12.2 Rapid Clone dbTechStack Fails with RC-50013 — INS-08101 supportedOSCheck on Oracle Linux 8
adcfgclone.pl dbTechStack fails with RC-00110/RC-50013 on Oracle Linux 8 — the real culprit is INS-08101 supportedOSCheck in the 19.3-base installer. Full log chain walkthrough and the CV_ASSUME_DISTID fix.
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ORA-00060 Deadlock Forensics in Oracle EBS: When a New APEX Scheduler Job Meets Workflow
Alhamdulillah, another interesting production incident to share. This one is a classic example of how a small code change — a single commented-out COMMIT — can stay silent for weeks…
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Oracle EBS 12.2.4 Upgrade to Oracle Database 19c: Oracle Restart Upgrade, Non-CDB to PDB Conversion, and Lessons Learned
Oracle EBS 12.2.4 upgrade to Oracle Database 19c: Oracle Restart (GI) upgrade, DBUA upgrade, non-CDB to PDB conversion, ASM registration fixes, AutoConfig troubleshooting, and real-world lessons learned.
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