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Database Manual

CRUD Operations

Update

Update Methods

MongoDB provides the following methods for updating documents in a collection:

`db.collection.updateOne()`	Updates at most a single document that match a specified filter even though multiple documents may match the specified filter.
`db.collection.updateMany()`	Update all documents that match a specified filter.
`db.collection.replaceOne()`	Replaces at most a single document that match a specified filter even though multiple documents may match the specified filter.

Additional Methods

The following methods can also update documents from a collection:

db.collection.findOneAndReplace().
db.collection.findOneAndUpdate().
db.collection.findAndModify().
db.collection.bulkWrite().

See the individual reference pages for the methods for more information and examples.

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