Monthly Archives: January 2026

Setting Up Azure Monitor and Alerts for Proactive Incident Detection

Introduction / Issue  In modern cloud environments, infrastructure reliability depends heavily on continuous monitoring. Virtual machines, storage accounts, databases, and network components must remain healthy to ensure uninterrupted application availability. However,…

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Recovering Deleted Files Using Snapshot Backups in Linux

Introduction / Issue  Accidental file deletion is a common risk in production environments. Even experienced administrators can mistakenly remove critical files during maintenance activities. In one instance, important application configuration…

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Oracle Data Guard Setup in Oracle 23ai Migrating from Non-CDB (Primary) to CDB (Standby)

Introduction This document explains how to configure a normal Oracle Data Guard physical standby in Oracle Database 23ai, where the primary database is a Non-CDB and the standby database is…

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Step by Step Guide to Oracle Data Guard Broker (DGMGRL)

Introduction High availability and predictable disaster recovery are critical in any Oracle production environment. While managing Data Guard manually via SQL*Plus is possible, the number of manual steps during incidents…

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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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