Yearly Archives: 2026

Oracle Linux OS Upgrade from 7.9 to 8.1 with Oracle 19c database (On-Prem) using LEAPP utility

Prerequisites: a. Oracle Linux 7.9 b. Oracle 19c database (should be 19.3 or higher version), Check using… SELECT target_version AS RU_VERSION FROM dba_registry_sqlpatch WHERE action = 'APPLY' ORDER BY action_time…

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Creating a Database Link in Oracle 19c Database to connect MS SQL Server using ODBC Driver

Prerequisite: 1. MS SQL Server with a SQL Authenticated User.       CREATE LOGIN Sivakumar WITH PASSWORD = 'Doyen@123', CHECK_POLICY = OFF;         SELECT name, type_desc,…

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Parameter Sniffing Issue in SQL Server and Its Resolution

Parameter Sniffing Issue in SQL Server and Its Resolution Parameter Sniffing Issue in SQL Server and Its Resolution

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Performance Tuning of Slow Running Queries in SQL

Performance Tuning of Slow Running Queries in SQL

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The Transaction Log Trap: How to Shrink Smart and Avoid SQL Server Pitfalls

Introduction:  Transaction log growth is a common operational challenge in SQL Server environments. Uncontrolled log file growth can lead to disk space issues, performance degradation, and operational risks. This blog…

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Break Free from Slow SQL Server Performance

Introduction  Performance issues in SQL Server rarely appear overnight. They build gradually—hidden behind rising CPU usage, growing waits, slow queries, or storage bottlenecks. Effective performance monitoring helps DBAs move from reactive firefighting…

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The One Data Guard Step I Missed: Forgetting Standby Redo Logs (And How I Fixed It)

Introduction  Data Guard setups often appear straightforward on paper, but real-world environments have a way of exposing gaps in even the most familiar procedures.  While creating a Physical Standby Database using…

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How to Verify Transport, Apply Status, Gaps, and Errors in Oracle Data Guard

INTRODUCTION:  As an Oracle DBA, setting up Data Guard is only half the job. The real responsibility starts after the setup — making sure redo is shipping, applying correctly, and that there…

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Installing Oracle E-Business Suite Integrated SOA Gateway

Descripton: Configuring Oracle E-Business Suite REST Services on Oracle Cloud Infrastructure. Steps: 1.EBS version: Must be Oracle E-Business Suite Release 12.2 or higher. Patches required: AD and TXK latest delta…

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Unable to Launch the Application: JAR Resources in JNLP File Are Not Signed by the Same Certificate

Description: Getting the Error when try to open R12.2 application form Cause: There are cached expired certificates or JAR files from an earlier version. Solution: 1. Delete all certificates from…

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