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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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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Oracle EBS R12.2 Clone Redirects to PROD After Login: Diagnosing Stale Configuration References
An EBS R12.2 clone that bounces users to PROD after login, traced to two root causes — phantom WebLogic managed servers and a missing DNS A-record — with the supported…
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Oracle EBS R12.2 Dual File System Demystified: Run Edition, Patch Edition, and ADOP Explained
Many Oracle EBS DBAs know how to run ADOP. Fewer understand why the dual file system exists or what is actually happening behind each phase. This post fills that gap…
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