deleting in mongodb code example
Example 1: mongodb remove all from collection
db.collection.remove({})
Example 2: mongodb delete all documents
db.collection.delete_many( { } );
Example 3: mongo delete all documents
db.bios.remove( { } )
Example 4: mongodb delete all documents
# To remove all documents in a collection, call the remove method with an empty query
# document {}. The following operation deletes all documents from the bios collection:
db.bios.remove( { } )