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OCI Immutable Backup: Version Control
Introduction In today’s data-driven era, businesses leverage data analysis to seize opportunities and gain a competitive edge. This makes it crucial for organizations to have a..
Data Guard: RMAN-06571: Datafile 1430 Does Not Have Recoverable Copy
Introduction In the current data-driven era, businesses leverage data analysis to seize opportunities and gain a competitive edge. This makes it crucial for organizations to have..
Data Guard (DG): ORA-01111 – Datafile Not Created on StandBy Database
Introduction In today’s data-driven era, protecting data is paramount. Organizations must be prepared to address potential failures by implementing robust disaster recovery..
Oracle Database 23ai: Fetch Top-N Rows Per Group Queries
Overview: Oracle 23ai introduces partition by clause in fetch first clause to get top-N rows per group. A query’s syntax SELECT …….. FROM …….. ORDER BY , FETCH FIRST , ROWS ONLY..
Oracle 23ai: JSON Schema Support
Overview: Oracle first introduced the ability to display a JSON schema when they introduced the JSON Data in Oracle 12.2 but without the option to validate the structure of JSON..
OLVM : KVM Certificate Renewal
Intro Virtualization has revolutionized the IT industry by enabling organizations to utilize server resources more efficiently. Despite the rise of cloud technology, many..
How to create a CentOS 7 Virtual Machine on Windows using Vagrant
Vagrant is an open-source command-line tool for creating and managing virtual machine environments. Although virtualization can be time-consuming, especially with open-source..
Restore a Database in the MS SQL Server Always On Availability Group
Prerequisites 1. Backup File: Ensure you have a valid full backup of the database you want to restore. I used AdventureWorks2019.bak for my test. 2. Availability Group..
Encrypt an Existing MS SQL Server 2019 Database in always on Environment using TDE
Transparent Data Encryption (TDE) Transparent Data Encryption (TDE) in SQL Server protects data at rest by encrypting database data and log files on disk. It works transparently..
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