Renaming a Collection — MongoDB Technical Interview Questions & Answers

db.collection.renameCollection().

Renaming a Collection

  • Simple meaning: db.students.renameCollection("learners") changes the collection name in the same database.
  • How to use: db.students.renameCollection("learners"). To another DB, check docs (admin command).
  • Apps using the old name will break — update drivers.
  • Common mistake: renaming in production without deploying the new collection name.
  • Interview tip: Same DB rename is a method on the collection.

Technical Interview Tip: Rename + update every connection string/code path.

Code Examples for Renaming a Collection

Renaming a Collection — working example

db.users.renameCollection("accounts")

Renaming a Collection — renameCollection renames a collection within the same database.

How to Explain Renaming a Collection to an Interviewer

How do you rename students?

db.students.renameCollection("learners")