In this guide, I will discuss the ultimate difference between CouchDB vs MongoDB. You may be reading this blog today because you are a rookie who has heard of these two databases but is unsure how they vary. Perhaps, you…
How to generate a random number in Solidity – is the question that brought you here today. Fortunately, you are at the right place! Since Solidity, Blockchain, Ethereum, and all other things related to these are relatively new for learners,…
The $not operator in MongoDB is a logical operator for finding documents that don’t match the given operator expression. In MongoDB, the $not operator may be used with read methods like find(), findOneAndUpdate(), and others. In this post, we will…
The conflict between Nodejs vs Django as backend technologies has raged on for decades. Django is a Python programming language framework. Nodejs is also a JavaScript programming language framework. Django is a well-known technology with a large community. While Nodejs…
MongoDB provides several simple ways to query for null or missing values. This can be useful in many situations such as when you want to clear data that does not have a required field or you want to set a…
In this tutorial, I will cover the $set operator in MongoDB. The $set operator replaces the value of a given field with a given value. If the $set operator is given a field that does not exist, then it will…
MongoDB provides a flexible document-based data model that allows developers to easily store semi-structured and unstructured data. One of the fundamental concepts in MongoDB is the use of operators, which are used to perform specific operations on values. The MongoDB…
Sorting is a technique to rearrange documents. This rearrangement can be ascending or descending according to the requirements. A real-life example is the student records, they are arranged in ascending order by name. Suppose a school has hundreds of records…
In this tutorial, I am going to explain in detail all the logical operators in MongoDB. Logical operators in MongoDB allow developers/users to apply different types of conditions allowed by each of them. There are in total 4 logical operators…
In this tutorial, I will explain how to use the storageSize() function in MongoDB. The storageSize() function in MongoDB allows you to check how much storage size is allocated in bytes for a particular collection to store documents in it.…