Lesson
Upsert Documents in MongoDB Collections using updateOne and replaceOne
Perform upsert operations in MongoDB using updateOne and replaceOne with the upsert option to update or insert documents efficiently.
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In this lesson, we learn that upserting in MongoDB allows us to update a document if it exists or insert a new one if it does not.
We demonstrate how to use the updateOne method with the upsert flag set to true, which enables us to create a new document for "Kill Bill" with specified skills and age when no matching document is found.
Additionally, we explore using replaceOne for similar functionality, confirming that a new document is created when attempting to replace one that does not exist.
This operation simplifies database interactions by combining update and insert actions into a single command.