To retrieve all data from MongoDB in a Node.js application, you need to establish a connection with the MongoDB database and access the collection from which you want to fetch the data.
Using either the MongoDB native driver or Mongoose, you can query the database to get all documents. Typically, you'd use the find() method, which allows you to specify query filters. To get all the data, you can leave the query empty, or use an empty object ({}) to retrieve every document in the collection.
You also need to handle the results properly, ensuring any errors are caught. Once the data is retrieved, it can be sent to the client or used within the application for further processing.
This process is useful for displaying all records, such as showing a list of items, user profiles, or logs from a database in an application.
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