Introduction The deleteMany() method is one of the most popular methods in mongoose to delete documents from a MongoDB collection. It is a very simple method. All we have to do is, just pass a query that contains condition(s) and the documents get deleted. But suppose we want to delete multiple documents by the value … Continued

Introduction Apart from deleteOne(), there is one another widely used method in mongoose to perform delete operation. This method is known as deleteMany(), and it is used to delete multiple documents. It is very simple and easy to use the method. In this article, we will discuss how to use the mongoose deleteMany() method to … Continued

Introduction Sorting is an important part of programming. We use sorting in development also. While working with databases, sorting is often used with data retrieval. In a MongoDB collection, there can be hundreds of documents. While using data retrieving methods, such as find(), we may wish to get them in sorted order. For example, if … Continued

Introduction Mongoose provides various methods that can be used for delete operation. We can delete a single document or multiple documents from a collection. We can also delete an entire MongoDB database or an entire collection. Deleting an entire collection should be done carefully. There can be a huge amount of data in a collection, … Continued

Introduction The findOne() method is one of the two popular methods that are used to retrieve data from MongoDB collections in mongoose. As the name suggests, the findOne() methods find a single document only. Usually, we provide a query to match a document. The findOne() method also works fine if an empty object is passed … Continued

Introduction Mongoose is used to manage the relationship among data. It is an object-oriented model for Nodejs and MongoDB. It also provides schema validation. But before we can do anything with data, we need to connect to MongoDB. It is fairly easy with mongoose. In this article, we will discuss how to connect to Mongo … Continued

Introduction Mongoose provides many methods to delete documents from a collection. One of these methods is deleteOne(). People often confuse deleteOne() with delete(). But there is no method known as delete() in mongoose. The method that is used to delete a single document from a MongoDB collection is the deleteOne() method. In this article, we … Continued

Introduction Updating data from a database can become hectic when there is way too much data. Mongoose provides a lot of methods to update data from MongoDB. Each of these methods is useful in their own way. One of these methods is the findByIdAndUpdate() method. The findByIdAndUpdate() method is specifically used to find a document … Continued

Introduction Updating data is a critical task. While performing the update operations, we should keep in mind, that a little mistake can cause a big problem. Mongoose provides many effective methods for updating data. These methods are designed for a single purpose (i.e. updating) but they work differently. One of these methods is findOneAndUpdate(). In … Continued

Introduction Out of all the CRUD operations, retrieving data is most commonly used. There are many methods retrieving data from MongoDB when using mongoose. One of the most popular methods is the find() function. The find() function retrieves all the existing documents in a collection. We can also specify queries and projections to get the … Continued