Web Apps 03 - MongoDB

What is MongoDB?

• A file system.

• A SQL database.

• A NoSQL database.

• An Access database.

Which syntax returns the first matching result in a Mongo database?

• db.find()

• db.Find()

• db.findone()

• db.findOne()

Which is the best syntax to add a new entry to a Mongo database?

• db.insert({"title":"Two Cities"})

• db.add("title":"Two Cities")

• db.insert({"title","Two Cities"})

• db.add("title","Two Cities")

What is the name of the group of related data stored in a Mongo database?

• A cell.

• A document.

• A spreadsheet.

• A table.

Which is the best command to run in order to empty your Mongo database?

• meteor remove Mongo

• meteor list

• meteor reset

• meteor repair

Which of the following packages prevents writing to the Mongo collection when it is removed?

• autopublish

• insecure

• mongo

• tracker

Which function should be used to access the specific parts of a collection that have been made available to the client?

• meteor.write()

• meteor.publish()

• meteor.read()

• meteor.subscribe()

Which syntax is correct for declaring a Mongo collection named theFarm?

• farmdb = new Mongo.collection('theFarm');

• farmdb = new Mongo.Collection('theFarm');

• farmdb = new mongo.Collection('theFarm');

• farmdb = new mongo.collection('theFarm');

Where should a newly created JavaScript file containing the definition of a Mongo collection be imported?

• In the client-side JavaScript code.

• In the server-side JavaScript code.

• In both the client-side and server-side JavaScript code.

• No import is necessary because Meteor detects it automatically.

Which function has the correct syntax to return the number of records stored in a collection?

• db.find().count

• db.find().count()

• db.find.count()

• db.find.count