What is the primary function of the insertOne() method in MongoDB?

The primary function of the insertOne() method in MongoDB is to add a single document to a collection. This method is specifically designed for inserting individual documents, ensuring that the document is correctly formatted and adheres to the collection's schema if one is defined. By using insertOne(), users can easily and efficiently add new entries to their MongoDB database, which is foundational for managing data within collections.

The method takes an object representing the document to be inserted as a parameter. It returns information about the operation, including the acknowledgment of the insertion and the ID of the newly created document. This straightforward functionality makes insertOne() a vital tool for MongoDB users looking to build and manage their databases effectively.