Update operators for adding/updating or removing a field.
- Category: MongoDB Operators — part of the MongoDB Tutorial on GoCareerGo
- Read the short summary above, then check the linked docs for full syntax/behaviour
- Interview tip: be ready to explain "$set and $unset" in one sentence, then back it up with a tiny example
// $set and $unset — minimal example
// db.collection.<operation>(...)Tip
Quick recall: "$set and $unset" — update operators for adding/updating or removing a field.