mongodb collection delete code example

Example 1: drop a collection in mongodb

db.mycollection.drop()

Example 2: mongodb remove all from collection

db.collection.remove({})

Example 3: mongodb delete all documents

db.collection.delete_many( { } );

Example 4: mongo delete all documents

db.bios.remove( { } )

Example 5: delete collection mongodb

db.collection.drop()

Example 6: delete an item from db collection mongodb

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