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Updating Arrays in Documents

Explore how to add, modify, and remove values within arrays in MongoDB documents using $push, $set, and $unset operators. Understand practical examples to confidently manage complex array data structures.

MongoDB allows adding, removing, or modifying values in arrays with the following operations:

  • $push: Adds a value to an array

  • $set: Updates a value in an array

  • $unset: Removes a value from an array

Note: We're using the .limit() method at the backend, so we see a truncated neat output automatically. When running locally, make sure to apply the relevant .find() method to see the updated results.

The ...