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This article will introduce the findOneAndUpdate() method in MongoDB. We will use this method to update the first matching and embedded document. Using findOneAndUpdate() method in MongoDB db.collection.findOneAndUpdate() Method updates the...

If you are a database administrator, you are probably familiar with duplicate entries. Duplicate entries are a common problem in database management. In this article, we will see how to remove duplicate entries in MongoDB, and we will also...

A collection is nothing but a folder that contains all the documents. When using capped collections, there is a cap on the number of records you can add to the collection. The maximum size of a document is 16MB. Sometimes you want to build...

This article will discuss the $set and $setOnInsert operations. In addition, the issue of adding fields to a collection in MongoDB is also briefly explained using these two operators. $set operator in MongoDB The $set operator changes the v...

This article will discuss the issue of deleting collections in MongoDB. The following are different ways to delete collections in MongoDB. MongoDB delete collection There are two ways to delete a collection in MongoDB. After running the dro...

Sometimes, we need to find a document by comparing two fields. For example, we may need to consider both the sequence number and the ID number when selecting documents in a MongoDB collection; we will see this later in this tutorial. In thi...

This article is dedicated to helping you use the mongoimport command, which allows users to import CSV files into a database in MongoDB. This article explains what a CSV file is. An example CSV file is provided at the beginning to help you...

This article discusses in detail about exporting a collection to CSV format in MongoDB. We have two methods to export a collection to CSV format: Studio 3T and MongoExport. Export a collection to CSV format in MongoDB using the Studio 3T Ex...

Sometimes we need to create an index that contains multiple fields. For example, if your document contains a field called Sex, it may contain two other fields, such as Male and Female. These fields may have values ​​like Yes or No. In t...

In MongoDB, it is not mandatory for all documents to contain the same fields. Now, if you want to get all the documents in a MongoDB collection that contain only a specific field, then you may need to specify a common field as an index. Thi...

In this article, you'll learn about unique indexes, including what they are and how to create them in MongoDB. Additionally, the process of making a user's email unique in MongoDB is briefly described. The contents of this article are as fo...

In database management systems, locking mechanisms ensure the consistency of the entire result. For example, if some writing process is in progress on the data, a read command cannot be executed at the same time. Database resources are lock...

MongoDB introduces a NoSQL solution for data storage and management, consisting of documents represented in JSON style. Like other database systems, MongoDB can also use ORM. In this article, we will explain the concepts of ORM and general...

MongoDB is an excellent platform that is growing in popularity. Among the various features it offers, MongoDB also allows you to convert data from one type to another. This may seem like a complex function, but it is very simple to execute....

This MongoDB tutorial discusses the issue of returning Date-based queries. In addition, there is also a good tutorial on how to use Date Range queries in MongoDB. Using date ranges in MongoDB We will learn to write MongoDB date range querie...