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Reading Data from Database

Learn about the basic ways to read data from MongoDB collections using filters and projections.

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Reading data is a fundamental operation in any database management system. It allows us to access and retrieve information stored in the database, making it possible to view our data. By reading, we understand our database better, helping us make informed decisions and troubleshoot any data-related problems.

In MongoDB, the .find() method is the most common way to read data.

The .find() method

The .find() method is used to retrieve (read) documents from any MongoDB collection. Below are some common use cases for this method:

  1. Finding all documents

  2. Filtering the results

  3. Applying a projection to the results

Syntax: