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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ORA-00257: Archiver Error in Oracle 19c CDB — Diagnosis and Resolution
Background This post documents a real production incident where an Oracle E-Business Suite (EBS) environment became completely unresponsive due to a full Fast Recovery Area (FRA). Users were reporting that…
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Applying Oracle 19c Apr 2026 CPU Patch (19.31) on a Single Instance CDB
In this article, we are going to demonstrate the steps to apply the Oracle April 2026 Critical Patch Update (CPU) on a Single Instance Oracle 19c Container Database (CDB). Here…
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P1 Incident: /dbbackup Filesystem 100% Full — How We Traced, Fixed, and Recovered Two Failed RMAN Backups in One Night
A real production P1 incident walkthrough: /dbbackup filesystem hit 100% full, two Oracle 19c RMAN backups failed on the same night. Step-by-step investigation covering disk forensics, RMAN retention policy misconfiguration…
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Troubleshooting OGG-01224 TCP/IP Error 79: GoldenGate EXTRACT Abend Due to Connection Refused
Overview In a GoldenGate 19c environment, one of the EXTRACT processes abended with a TCP/IP error while all other EXTRACT processes were running normally. This post walks through the exact…
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