Querying Documents

This video tutorial covers reading operations in MongoDB, focusing on the find and findOne methods. It explains how to query documents by various fields, handle query results, and use cursors for more advanced data retrieval. The tutorial includes a practical challenge to reinforce learning, where viewers practice fetching documents from a tasks collection using the discussed methods.

What is the expected output when searching for a document that does not exist in the database?

How can you limit the number of documents returned by a query in MongoDB?

Explain how to use the 'toArray' method with a cursor in MongoDB.

What steps would you take to find all tasks that are not completed in a tasks collection?