OPTIONS

Field Update OperatorsΒΆ

Name Description
$inc Increments the value of the field by the specified amount.
$mul Multiplies the value of the field by the specified amount.
$rename Renames a field.
$setOnInsert Sets the value of a field upon document creation during an upsert. Has no effect on update operations that modify existing documents.
$set Sets the value of a field in a document.
$unset Removes the specified field from a document.
$min Only updates the field if the specified value is less than the existing field value.
$max Only updates the field if the specified value is greater than the existing field value.
$currentDate Sets the value of a field to current date, either as a Date or a Timestamp.
←   Update Operators $inc  →
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