Aneesha S

Importing is a feature that most databases and language frameworks provide. This is done to make data exported from other sources usable in different forms by other programs, applications, or languages. In MongoDB, we can import data from a variety of files which provides a way to interact with datasets stored somewhere other than the

You know many operators that can be used to filter the selection criteria of documents from a MongoDB collection. Those operators return documents that meet specified parameters. What if we want to exclude certain criteria? Well, MongoDB has various operators for this too. One of them that we will talk about in this article is

In MongoDB, we store data in the form of documents. These documents may contain arrays or embedded arrays as field values. Suppose you have a big collection of records where you have millions of documents and in each of them there are lots of fields, among them some might be array fields containing an array

One of the most popular database management services available especially for Node.js is MongoDB, which includes an expansive range of advanced tools.  An application that uses such a powerful database system can include a wide range of features and functionalities. Furthermore, enhanced security functions can be implemented.  A MongoDB database allows you to build applications

MongoDB database contains lots of documents. Sometimes the documents have documents in them. These documents may further contain more documents hence forming a complex structure.  Querying uncomplicated documents is straightforward and we have already covered how to query MongoDB documents in another article: NodeJS MongoDB Query. However, the complex structure sometimes results in difficulty in

People are usually confused about which to choose MongoDB or MySQL. Well, here is the moment of truth. MongoDB provides us with so many useful operators that you can perform any type of action using them. Whether it is extremely simple or exceptionally complex, you can easily find an operator for it. We have covered

As we know, MongoDB documents have the ability to possess arrays as field values, these arrays may enclose multiple elements. The $size operator can clubbed with other MongoDB methods like find(), findOne(), etc to filter documents based on the number of elements inside an array. In this article, we will explore the $size operator and

You must have seen that in all our articles we have mentioned the date of publishing the article right after the title. Let’s say you are also developing an application and using MongoDB as the database for your app. Now you also want to create functionality to track the current date when a particular event