Webdev Backend Level 2

What is data in a MySQL database organized into?

• Objects

• Tables

• Networks

• File systems

What represents an ‘attribute’ in a relational database?

• Table

• Row

• Column

• Object

The number of attributes in the following SQL table is ______________.

CREATE TABLE employee (

emp_name CHAR(30),

emp_id INT

);

• 30

• 1

• 2

• 3

Which of the following format is supported by MongoDB?

• SQL

• XML

• BSON

• All of the mentioned

MongoDB is a _________ database that provides high performance, high availability, and easy scalability.

• graph

• key value

• document

• all of the mentioned

MongoDB stores all documents in _____________

• Tables

• Collections

• Rows

• all of the mentioned

Which package helps to connect Node with MongoDB

• passport

• mongoose

• express

• fs

What will be the output of the following JavaScript code?

int sum=0;

var arr = [10,15,20,30];

arr.forEach(function myFunction(element)

{

sum= sum+element;

});

document.writeln(sum);

• 70

• 75

• 10

• Error

res.get('/app/:name',function(req,res){

res.send(_____________)

})

How we get the 'name' in the route?

• req.query.name

• req.body.name

• req.param.name

• req.params.name

Which is the cloud storage for MongoDB?

• MongoDB Client

• MongoDB Atlas

• MongoDB Compass

• None of them