Introduction “Regular expressions” are utilized for findings strings, typically considered a data type, within documents. All computer programming languages frequently use regular expressions for searching for defined patterns within strings. While retrieving an unidentified field in a document can be frustrating, MongoDB supplies a function for using the regular expression, typically abbreviated as $Regex in … Continued

Introduction If you’re using MongoDB to store important data, you need to make sure that any users who attempt to log into the database are actually authorized to do so. That’s where authentication comes into play, verifying the identity of users before granting them access to data stored in MongoDB. In this article, we’ll take … Continued

Introduction If you’ve been working with data in MongoDB, you probably already know that you can have the results of a query sorted in a particular order. However, you might not have realized that you can also aggregate documents and group them based on a common value for a field. Using these groupings can make … Continued

Introduction One important way that MongoDB differs from traditional relational database models is its extensive use of arrays. Arrays can be embedded within MongoDB documents, and MongoDB provides a number of array operators to help you access and manipulate your array data. When you work with array data in MongoDB, you’ll find that updating an … Continued

Introduction One of the most common database operations developers and administrators need to know how to perform is the update operation. In an update, it’s possible to modify values in an existing document or replace a document in its entirety. This article will discuss the built-in MongoDB update set function, which allows users to modify … Continued

Introduction When you’re storing data in MongoDB, there may be times that you need to know how many documents are in a given collection. Fortunately, MongoDB provides two helpful methods that allow you to get the information you need. In this article, we’ll take a look at the MongoDB itcount() and count() methods and discuss … Continued

Introduction MongoDB is a versatile and scaleable document database that excels in the querying and indexing of data. This tutorial will explain how to use the MongoDB sort by field method. The tutoral will explain the cursor.sort() method that can be used to sort a value by field and can be specified to sort in … Continued