Is MongoDB Free

Is MongoDB Free

When I consult with CTOs and development teams across the United States—from startups into enterprise hubs—one question inevitably pops up during the initial architecture meetings: “Is MongoDB free?” The answer is a resounding yes, but it comes with a massive asterisk. In this article, I’m going to break down exactly how MongoDB’s pricing works. I … Read more >>

How to Start MariaDB in CentOS 7

How to Start MariaDB in CentOS 7

In this comprehensive guide, I will walk you through the exact steps I use to deploy MariaDB. We will move beyond simple command execution and dive into repository management, security protocols, and configuration best practices that ensure your database isn’t just “running,” but performing optimally. How to Start MariaDB in CentOS 7 Why MariaDB is … Read more >>

How to List Databases in MariaDB

How to List Databases in MariaDB

We will now talk about a few practical MariaDB commands. Since MariaDB is merely a forked-out version of MySQL, these very basic commands will get you started using MariaDB. You can also use them with MySQL. In this tutorial, I will walk you through exactly how to list databases in MariaDB. We will go beyond … Read more >>

PostgreSQL vs MongoDB

PostgreSQL vs MongoDB

I’m often asked: “Should I use PostgreSQL or MongoDB for my next project?” It’s a question that doesn’t have a simple answer, but I’m here to break down everything you need to know to make an informed decision. The database landscape in 2025 has evolved significantly. PostgreSQL has added impressive JSON capabilities that blur the … Read more >>

How to Show Users in MariaDB

How to Show Users in MariaDB

Understanding how to properly display and analyze MariaDB user accounts is essential for maintaining the robust security standards expected in different enterprise environments.In this comprehensive tutorial, I’ll share the proven techniques. How to Show Users in MariaDB Core User Information Storage: MariaDB stores all user account information in the mysql system database, specifically within several … Read more >>

How to Access MariaDB in Linux

How to Access MariaDB in Linux

Understanding how to properly access MariaDB in Linux is crucial for modern database management. In this comprehensive tutorial, I’ll walk you through everything you need to know about accessing MariaDB in Linux environments, from initial setup to advanced connection techniques. How to Access MariaDB in Linux Linux-based MariaDB deployments offer several advantages that align with … Read more >>

How to remove element from Array in MongoDB

How to remove element from Array in MongoDB

In this MongoDB tutorial, we are going to learn “MongoDB remove an element from an array”. We will cover this topic with different operations and examples. I’ll provide you with the comprehensive knowledge needed to remove array elements efficiently and safely in MongoDB. How to remove element from Array in MongoDB Case 1: Using the in-built … Read more >>

MongoDB order by date

MongoDB order by date in an array

In this comprehensive article, I’ll share the proven techniques and optimization strategies I’ve developed through real-world implementations across various industries, helping you understand date-based sorting in MongoDB that can impact performance and user experience. MongoDB order by date In MongoDB, the $orderby operator sorts the result of a query in ascending or descending order. Before … Read more >>

MariaDB vs MongoDB

MariaDB vs MongoDB

Let us point out the differences between the MariaDB and MongoDB NoSQL databases as part of this article. We’ll explore their core concepts, features, performance, scalability, and practical use cases, along with tips on how to work with each effectively. This will help you with the MariaDB vs MongoDB decision. MariaDB vs MongoDB What Is … Read more >>

Column count doesn’t match value count at row 1

Column count doesn't match value count at row 1

In this article, we will explore the errors column count doesn’t match value count at row 1 that arise when using the JSON datatype in MariaDB. Column count doesn’t match value count at row 1 In MariaDB, the JSON datatype can’t be one of the following data types (invalid, Function, or Date). I have executed the queries below. After executing the second … Read more >>