Neo4j is a graph database that records relationships between data nodes, whereas traditional relational databases use rows and columns to store and structure data. Since each node stores references to all the other no...

Redis is an in-memory key-value store known for its flexibility, performance, and wide language support. This tutorial demonstrates how to install, configure, and secure Redis on an Ubuntu 22.04 server.

MongoDB comes installed with a variety of tools and utilities you can use to observe database performance. In this tutorial, you’ll learn how to monitor database metrics on-demand using built-in commands and tools. Yo...

Sharding is a strategy some users will implement to help them scale their database horizontally, with the hope being that the improved scalability will outweigh the added complexity. This guide outlines how sharding w...

Though they were a staple feature of relational database management systems for many years, ACID transactions are a relatively new feature in MongoDB. This tutorial explains what transactions are and how you can initi...

With MongoDB Compass, you can access most of the features the MongoDB database engine offers through an intuitive visual display. You can glance through the databases, collections, and individual documents, interactiv...

MongoDB provides aggregation operations through aggregation pipelines — a sequential series of data processing operations through which the documents go to obtain the final result. In this tutorial, you’ll learn by ex...

Redis is an in-memory key-value store known for its flexibility, performance, and wide language support. This tutorial demonstrates how to install and configure Redis on an Ubuntu 18.04 server.

Will this work for Ubuntu 20.04.2 which is the version I have on my digitalocean server.Thanks

How to update current user role from read/write an specific db only access to userAdminAnyDatabase?

This conceptual article outlines the key concepts related to document databases and discusses benefits of using them. Examples used in this article reference MongoDB, a widely-used document-oriented database, but most...

I’d like to take advantage of Digital Ocean’s “App deployment”, but I don’t seem to find an option for no-sql database. The type doesn’t much matter, as this is new development and the initial usage will be light. Wha...

It seems a big title, but I’d like a discussion about decentralized databases solutions Is there out there a decentralized + high auto scalable + high speed + secure solution also if someone have some numbers (because...

MongoDB shell version v4.4.5connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodbError: couldn’t connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error ...

This tutorial outlines how to update an existing replica set to use keyfile authentication. The procedure involved in this guide will also ensure that the replica set doesn’t go through any downtime, so the data withi...

The practice of synchronizing data across multiple separate databases is called replication. In MongoDB, a group of servers that maintain the same data set through replication are referred to as a replica set. This tu...

MongoDB doesn’t have authentication enabled by default, meaning that any user with access to the server where the database is installed can add and delete data without restriction. In order to secure this vulnerabilit...

What are the recommended minimum configuration parameters when setting up the server to be used for the Neo4J install?

I have an ASP.NET CORE MVC web application, and I have used graph database Neo4j, Now I want to deploy my application to Ubuntu, So how I’ll do this. Please help…

According to ScyllaDB hardware requirements it needs network interface speed of 10 - 56 GB/s for production work loads, but as far as I know currently all droplets have 2 GB/s network interfaces which is too slow for ...