All Positional Operators in MongoDB
The All Positional Operator in MongoDB, denoted by $[], is used to modify all elements within a specified array field. It is very useful for updating arrays that contain embedded documents.
The $[] operator is employed in update operations like db.collection.updateOne() and db.collection.findAndModify() to update all array elements for documents that meet the specified query condition.
MongoDB All Positional Operator ($[])
MongoDB All Positional Operator allows bulk updates to all elements in an array field that matches the given query condition.