delete document in mongodb code example

Example 1: mongodb remove all from collection

db.collection.remove({})

Example 2: how to delete a document in mongodb

to delete a document
db.games.deleteOne({name:"Snake"})

Example 3: 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( { } )

Example 4: delete an item from db collection mongodb

db.collection.remove(
   <query>,
   {
     justOne: <boolean>,
     writeConcern: <document>
   }
)