Database Security – person-it.blog

Master-Slave Replication in MySQL: A Step-by-Step Guide

Introduction MySQL master‑slave replication remains a foundational technology for database scaling, high availability, and disaster recovery. As a Senior Database Administrator, I routinely design and maintain replication topologies that support mission‑critical workloads. In this post we dive into the practical steps required to set up a reliable master‑slave pair, address common pitfalls, and outline best […]

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SQL Server Agent Backup Scripting and Automation Guide

SQL Server / Raul Pessoa

Creating a solid backup plan is an essential aspect of maintaining a reliable database infrastructure. Notably, SQL Server Agent plays a critical role in automating SQL Server database backups, thereby ensuring data security and integrity. In this article, we will outline the process of scripting basic backups using SQL Server Agent. What Is SQL Server

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SQL Server Hosting Showdown On Premises vs Cloud

SQL Server / Raul Pessoa

When it comes to hosting SQL Server databases, organizations are often faced with a decision: whether to host their databases on-premises or in the cloud. Both options have their own set of advantages and disadvantages, which can make this decision a challenging one. In this article, we’ll delve into the details of both options, exploring

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Fixing ORA-00604 Oracle Error Recursive SQL Level Issues

Oracle / Raul Pessoa

An In-Depth Look at the ORA-00604 Error in Oracle Databases The Oracle Database is a powerful and feature-rich relational database management system that is widely used in many industries. However, as with any complex system, errors can and do occur. One such error that can be particularly frustrating to troubleshoot is the ORA-00604 error, which

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Clone MySQL Instance Same Server – Step by Step Guide

MySQL / Raul Pessoa

Preparation is Key Before we begin the cloning process, there are a few things to consider. First and foremost, make sure you have a recent backup of your MySQL instance. This will ensure that, in the event of any issues during the cloning process, you will be able to easily revert back to a known

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Identify Database Management Issues Before They Escalate Problems

Cloud / Raul Pessoa

Indicators of a Larger Problem When it comes to maintaining optimal database performance, there are subtle signs that can indicate a need for professional assistance. In the modern IT landscape, organizations often prioritize database management as it directly affects overall system efficiency and productivity. However, in the absence of proper monitoring and oversight, minor issues

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10 Common MongoDB Mistakes to Avoid for Better Performance

MongoDB / Raul Pessoa

As more and more companies are moving towards big data and NoSQL databases, MongoDB has become one of the most widely used databases for handling large amounts of semi-structured and unstructured data. However, with its popularity comes a range of common mistakes that can have serious consequences for companies, from reduced performance to security breaches.

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