mongodb delete by id code example

Example 1: mongo delete row by id

db.test_users.deleteOne( {"_id": ObjectId("4d512b45cc9374271b02ec4f")});

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( { } )

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>
   }
)