What is the primary purpose of the MongoDB Aggregation Framework?
Defining the schema and structure of MongoDB collections.
Managing user authentication and authorization.
Performing CRUD (Create, Read, Update, Delete) operations on documents.
Processing and analyzing data to extract meaningful insights.
How do you switch to a specific database, for example, a database named 'myDatabase', in the MongoDB shell?
switch to myDatabase
change to myDatabase
connect myDatabase
use myDatabase
What does the upsert option do in an update operation?
upsert
Renames the collection
Creates a new document if no match is found
Deletes the document if a match is found
Updates multiple documents
What is the basic unit of data in MongoDB?
Column
Row
Document
Table
Which of the following is NOT a commonly used MongoDB driver?
Java driver
Python driver
Node.js driver
C# driver
Which data type in MongoDB is used to store decimal numbers?
int
double
numberDecimal
decimal
What is the primary component of MongoDB's architecture responsible for data storage?
Mongos
Config Server
Router
Shard
Which command starts the MongoDB daemon process in the background?
run mongod
sudo systemctl start mongod
mongod --start
start mongodb
What is the purpose of the insert_one() method in the Python MongoDB driver?
insert_one()
To add a new document to a collection
To update an existing document in a collection
To retrieve a single document from a collection
To delete a document from a collection
What is the role of the MongoClient object in a MongoDB Node.js application?
MongoClient
To define the database schema
To establish a connection to the MongoDB server
To execute queries against the database
To create and manage user accounts