MongoDB is a popular open source and document oriented database system. It belongs to a family of databases called NoSQL, which is different from the traditional table based SQL databases. It makes use of collections, each having multiple documents, and allows the user to store data in a non relational format. Data is stored in flexible, JSON-like documents where fields can vary from document to document. That's the reason for calling it schemaless database.
MongoDB is a popular NoSQL database known for its flexibility and scalability. In MongoDB, query operators are used to perform specific operations within a query, allowing you to filter and retrieve documents based on various conditions. These operators provide powerful capabilities for querying and manipulating data. In this article, we will explore some of the most important MongoDB operators, focusing on both read and update operations.