Posted on Oct 6 There are two main types of databases that can be used in applications and these include NoSQL databases and SQL databases. SQL databases are relational and… Read More

SQL is everywhere these days. Whether you're learning backend development, data engineering, DevOps, or data science, SQL is a skill you'll want in your toolbelt.This a free and open text-ba… Read More

Table of ContentsIntroductionUnderstanding MySQLKey Features and Benefits of MySQLCommon Use Cases for MySQLUnderstanding MongoDBKey Features and Benefits of MongoDBCommon Use Cases for Mong… Read More

What Is a Data Stack? A data stack refers to the collection of technologies, tools, and processes used to manage and analyse data within an organization. It is a comprehensive framework t… Read More

What is Autonomous JSON Database (AJD)? Oracle in general has long been synonymous with relational databases, complying strictly with the ACID (atomicity, consistency, isolation, and du… Read More

A full-stack developer is an expert in every aspect of software development. Full-stack developers are those who can create both the user interface… Read More

Structured Query Language (SQL) is a crucial tool to manage and organize data. It’s no surprise that SQL is a fundamental skill for many positions in the tech industry. Whether you&rsq… Read More

JavaScript is one of the most popular and in-demand JavaScript frameworks designed especially for front-end development, as well as for creating mobile games. Nowadays, you’ll come acr… Read More

Update offspring in nested tree mongoDB, node.js Problem Is there any way to update nested documents by id or some other field? I use "Full Tree in Single Document" and don't know beforeh… Read More

Digital transformation drives many businesses to produce bulks of information. Whether a small venture or a large organization, you need a reliable database to store and organize its essenti… Read More

Quick Summary: You can control database access with Firebase Realtime Database Security Rules. Using the Flexible rules syntax, you can design rules that match anything, from all writes to… Read More

Introduction to MongoDB tools The following article provides you an outline of MongoDB Tools. As we know, Mongo is an open source NoSQL database, developed keeping in mind the high performa… Read More

Industry experts always say that it is better to choose a language and master it to an advanced level than to keep switching between technologies and getting only to an intermediate level at… Read More

JSON stands for JavaScript Object Notation. It is an open standard format which organizes data into key/value pairs and arrays detailed in RFC 7159. JSON is the most common format used by we… Read More

Introduction to PostgreSQL Features PostgreSQL supports tremendous features that will make things easier. Some of the features are widely appreciated as they are incredibly useful. The foll… Read More

Mongoose find(), how to access the result documents? Problem I just started playing with mongoose and mongo. I have the following code: var ninjaSchema = mongoose.Schema({ name: Strin… Read More

NPM Pack / Nodejitsu ignores buried Node_modules folders Problem It seems that NPM pack, and by extension, nodejitsu, do not like my node_modules folders. :*( I currently am building a web… Read More