Detailed Description: This Bash script automates the enumeration and dynamic selection of Pluggable Databases (PDBs) in an Oracle Multitenant environment. It connects to the Oracle Container Database (CDB) as a…
Read MoreHow to recover suspect/Recovery pending databases in SQL Server? Introduction: In SQL Server, a database may enter SUSPECT or RECOVERY PENDING state due to corruption, missing files, or insufficient resources.…
Read MoreHigh-Level Steps to Add SQL Server to a Cluster Introduction: Adding a SQL Server instance to a Windows Server Failover Cluster (WSFC) is a process that enables high availability for…
Read MoreIntroduction In SQL Server, an orphaned user occurs when a database user exists without a corresponding login in the server’s master database. This usually happens after restoring a database from…
Read MorePURPOSE AND SCOPE: This document explains how to transfer table data from source server to destination server. Prerequisites Database Access Permissions: Ensure that you have the necessary permissions to access…
Read MoreIntroduction In Oracle databases, performance issues often stem from inefficient SQL queries. TKPROF is a powerful utility that formats the output of SQL trace files, making it easier to interpret…
Read MoreIntroduction: When it comes to database performance tuning, that’s where Query Store appears. Introduced in 2017 version and significantly enhanced in 2019, Query Store acts like a “flight recorder” for…
Read MoreArchiving and Deleting Data From SQL Server Database Server: SERVER1 Main Database: DB1 Archive Database: DB1_archive Target Table: dbo.PerformanceCounters Objective: To archive and delete data older than 90 days from…
Read MoreIntroduction While working with Oracle databases, you may encounter the error ORA-00955: name is already used by an existing object when trying to create objects like tables, indexes, or materialized…
Read MoreIntroduction When performing an Oracle Data Pump import, mismatched database Time Zone File (TSTZ) versions between the source and target databases can cause an ORA-39405 error. This issue occurs because Oracle…
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