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Oracle Database Backup to OCI Object Storage — The Complete Guide for 2026
Object Storage is the right destination for Oracle Database backups in OCI environments. It’s dramatically cheaper than Block Volume for backup retention, it’s geographically redundant by default, and it integrates with RMAN through Oracle’s database cloud backup module. But “integrates with RMAN” covers a lot of ground — the configuration details matter, and the defaults… Continue reading
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Oracle APEX 24.x on OCI — Building Internal Tools Without Buying More Software
One of the most underappreciated cost-saving opportunities in Oracle shops is APEX. Every Oracle Database license includes APEX at no additional cost. On OCI, Oracle offers APEX Application Development as a managed service where you don’t even manage the database — you just build. I’ve watched teams pay for Retool, internal dashboard tools, and custom-built… Continue reading
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ORA-12545 and ORA-12541 — Listener Troubleshooting That Goes Beyond the Basics! Let’s us check!
Every Oracle DBA knows how to check if a listener is running. lsnrctl status. If it’s down, start it. Problem solved, right? In a simple environment, yes. But in 2025, Oracle environments are rarely simple — they involve OCI networking layers, VCNs, Security Groups, firewalls, multiple listeners, RAC scan listeners, and PDB-specific services. The listener… Continue reading
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Oracle 23ai True Cache — In-Memory Read Scaling Without Application Changes
True Cache is one of those Oracle 23ai features that doesn’t get enough attention compared to AI Vector Search. It’s less glamorous — there’s no “AI” in the name — but for organizations running high-traffic Oracle applications with read-heavy workloads, it addresses a very real architectural problem that previously required significant application changes or expensive… Continue reading
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ORA-00600 Internal Error — How to Actually Diagnose Oracle’s Most Feared Error Code!!Still scare?
If you’ve been a DBA long enough, you remember the first time you saw ORA-00600 in your alert log. The reaction is always the same: a moment of panic, followed by the realization that the error message tells you almost nothing useful on its own. ORA-00600 is Oracle’s generic internal error code — it means… Continue reading
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OCI Database Migration Service — Moving Your On-Prem Oracle Database to the Cloud Without Losing Sleep
The question I get most often from customers considering OCI is not “how do we run Oracle in the cloud” — they understand that part. The question is: “how do we get there from here?” Moving a production Oracle database to OCI without a well-planned migration approach is one of the fastest ways to have… Continue reading
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Oracle Database Licensing in the Cloud — The Traps Every DBA Should Know!!
This might be the most important blog post on this site from a business perspective. Oracle Database licensing is complex on-premises. In the cloud, it’s complex in different ways, with different traps. DBAs are not typically licensing experts, but they make decisions daily that have significant licensing implications — which features to enable, which cloud… Continue reading
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Oracle GoldenGate in 2025 — Real-Time Data Integration Done Right
GoldenGate has evolved significantly over the last few years. With GoldenGate Microservices Architecture (MA), the old classic architecture with its manager, extract, replicat processes managed via GGSCI commands is giving way to a REST API-driven, web-console-managed platform. And on OCI, GoldenGate is available as a fully managed service. This post covers what’s changed, what stays… Continue reading
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Oracle GoldenGate in 2025 — Real-Time Data Integration Done Right
GoldenGate has evolved significantly over the last few years. With GoldenGate Microservices Architecture (MA), the old classic architecture with its manager, extract, replicat processes managed via GGSCI commands is giving way to a REST API-driven, web-console-managed platform. And on OCI, GoldenGate is available as a fully managed service. This post covers what’s changed, what stays… Continue reading
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Oracle Autonomous Database — What Happens Under the Hood? Let’s dive into it!
Autonomous Database (ADB) is marketed with phrases like “self-driving,” “self-securing,” and “self-repairing.” These are not meaningless marketing terms, but they’re also not magic. Understanding what ADB actually does automatically — and how — makes you a better operator of the service and helps you set realistic expectations with your business stakeholders. Auto-Tuning: What It Does… Continue reading
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