Databases

MongoDB is a general purpose, document-based NoSQL. This tutorial will teach you how to deploy MongoDB on Kubernetes as a standalone, local development instance, and as a replica set.

Maintaining the database user list is essential from a security aspect. Learn how to delete users from a Postgres database in this guide.

The SHOW TRIGGERS statement in MySQL helps provide a detailed overview of created triggers in a database. Learn how to use the statement effectively in this guide.

This tutorial teaches you how to remove (drop) a database in PostgreSQL using two different methods.

The mysql_secure_installation script allows you to significantly improve MySQL server security. Follow this guide to learn more about the script and the options it accepts.

Elastic Stack generates data that can help you to solve problems and make good business decisions. In consist of open-source software (Elasticsearch, Logstash, Kibana and Beats), each playing an important role in managing and viewing file logs.

Follow this tutorial to learn how to use the SELECT statement in PostgreSQL. The statement allows you to easily process data and format the output according to your needs.

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.

Redis is an in-memory data store supporting multiple abstract data structures. Redis Cluster is a set of Redis instances that automatically shards data across nodes. This tutorial shows you how to deploy a Redis Cluster on Kubernetes.

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.