MySQL

The best practice in MySQL is to have separate users with minimal permissions needed to work. Learn how to check which permissions each user currently has in this simple guide.

Databases and tables that reside in them grow in size. Follow this tutorial to see three different methods to check the size for a single table, database, all tables and all databases.

Deploying a functional database in a containerized environment can be a demanding task. This article will show you how to deploy a MySQL database instance on Kubernetes using persistent volumes, the feature that enables stateful apps to overcome the problem of the inherent transience of the K8s pods.

MySQL string functions allow you to manipulate character string data using the SELECT statement. Learn to use MySQL string functions with this comprehensive tutorial.

A corrupt database can happen at any moment. Try some of these methods to repair your MySQL database quickly.

Spark contains three major data structures and APIs for working with big data: RDDs, DataFrames and Datasets. Learn about the difference between them as well as when it's best to apply each.

MySQL tables fragment over time as delete and update queries are performed. With a large database, the fragmentation slows down queries significantly. Learn about when to use optimization and follow our tips on how to perform table defragmentation.

Learn how to install the MySQL server on Ubuntu 20.04 in this simple tutorial. See also how to secure your server after installation and log in to start working.

You've normalized a database, but now it's too complicated to analyze data. Database denormalization is a commonly used process in data analytics to simplify reports. Learn about the various methods to denormalize a database and when to apply it.

Database normalization is a key concept in database design. Learn how to organize the data and divide it into optimal tables for maximized efficiency.