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updateOne()


MongoDB Driver Function Reference


Updates the first document in a collection that meets the filter criteria.
More information can be found in the corresponding entry of the MongoDB Manual.



<collection>.updateOne(<filter>, <update>[, <options>])



Arguments


<collection> The target collection.
<filter> A filter expression using query operators.
<update> A BSON document containing the modifications to apply.
<options> A BOSN document specifying options.



Options


{ upsert: <boolean>, arrayFilters: [<document>], collation: <document>, hint: <document>. }

upsert Specifies if a document should be created if no document matches (default: false).
arrayFilters An array of filter documents that determine which array elements to modify for an update operation on an array field.
collation A document specifying the collation.
hint A document specifying a hint.



Example


db.employees.updateOne({ salary: { $gt: 700000 }}, { $set: { bonus: 50000 }});


Sets the bonus in one document from the employee collection with a salary greater than 700000 to 50000.




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