In this guide, I will show you various examples of date comparison based queries in MongoDB. If you use MongoDB in your projects, I highly recommend bookmarking this page as a quick reference for date comparison queries. For the following MongoDB query examples, I will use a collection representing products created in an e-commerce system. […]

MongoDB is a NoSQL database which can store JSON like documents in containers known as collections. There is no technical limit as to how many documents can be stored in a MongoDB collection. However, current versions of MongoDB has a limit on the maximum size of a single document stored in a collection. Since 1.7.4 […]

When it comes to modern web application development, MongoDB is the king. If you are a full stack programmer, you hear about MERN or MEAN stacks every day. The M is in every one of them and it stands for MongoDB. The free and open source community version of MongoDB powers a large number of […]

When working with MongoDB collections, sometimes you may want to find the document that contains the longest array. For example, you may have a collection for storing shirts and the array “sizes” in it may contain all the sizes in which the shirt is available. In this case, how do you find the shirts with […]

MongoDB collections are usually schema less. This means that a collection can potentially contain documents with different structure. Even if they are same, since data stored is different, document size can substantially vary. Sometimes you may want to find the largest document in a MongoDB collection. This is required if you are planning to migrate […]