MinervaDB Blog: Mastering WebScale Database Infrastructure

MySQL Cursor: Understanding Its Implementation

In MySQL, a cursor is a database object that allows you to retrieve and manipulate data row by row. It provides a mechanism for iterative processing of query results. Cursors are often used when you […]

PostgreSQL Subqueries: Replacing Aggregate Functions with Window Functions

PostgreSQL Logical Replication: Starting It for Specific Tables Based on a pg_dump

Starting logical replication in PostgreSQL for specific tables based on a pg_dump involves a series of steps. Here’s a step-by-step guide: CREATE PUBLICATION my_publication FOR TABLE table1, table2, …;ALTER PUBLICATION my_publication ADD TABLE table3, table4, […]

PostgreSQL Query Hints: Influencing the Query Planner and Optimizer Barriers

Are you curious why PostgreSQL lacks query hints and how you can still influence execution plans? Discover alternative techniques to force join orders in PostgreSQL and optimize query performance. Why PostgreSQL avoids query hints? Dive […]

PostgreSQL Encryption-at-Rest: How to Implement It in Kubernetes

Implementing encryption-at-Rest for PostgreSQL in Kubernetes involves configuring encryption for the persistent storage where PostgreSQL data resides. Below is a step-by-step explanation of how to achieve this, along with a real-world example: apiVersion: apps/v1kind: Deploymentmetadata:name: […]

InnoDB Reading and Writing Blocks Explained

InnoDB, the default storage engine in MySQL, uses a buffer pool to manage the reading and writing of data blocks. The buffer pool is a cache that holds frequently accessed data pages in memory, reducing […]

PostgreSQL SQL/JSON Patches Committed to PostgreSQL 15!

PostgreSQL SQL/JSON: PostgreSQL continues evolving its support for modern data formats with each release. Notably, PostgreSQL 15 introduces significant improvements to handle JSON data more efficiently. These updates bring greater flexibility, performance, and ease of […]

MinervaDB Open Source Support: Transforming Corporate Database Operations

Real Stories, Real Impact Once upon a time, in the fast-paced world of global corporations, a new era of data-driven decision-making was taking shape. As businesses began facing increasing pressure to manage vast amounts of […]

PostgreSQL Disaster Recovery Kubernetes: Simplifying Business Continuity

Introduction: In the digital age, businesses cannot afford to overlook the importance of disaster recovery. With increasing reliance on data, system outages or data loss can have catastrophic consequences, leading to significant disruptions and financial […]

PostgreSQL Isolation Levels: Building Optimal and Scalable Applications

Isolation levels in PostgreSQL play a crucial role in ensuring the consistency, performance, and scalability of your applications. By understanding and selecting the appropriate isolation level, you can develop optimal and scalable PostgreSQL-based applications. Let’s […]