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Module quiz: Introduction to Databases Quiz Answers

In this article i am gone to share Coursera Course: Introduction to Databases for Back-End Development by Meta Week 1 | Module quiz: Introduction to Databases Quiz Answers with you..

Also visit:ย  Final graded quiz: Intro to databases Quiz Answers

 

Module quiz: Introduction to Databases Quiz Answers

Question 1)
What is the most used database type in computing?

  • NoSQL Database
  • Flat File Database
  • Relational Database

Question 2)
Which one of the following is an advantage of storing data in tables?

  • Tables let you store large amounts of data.
  • Tables provide a simple and clear view of data
  • Tables offer the ability to encrypt data.

Question 3)
In a bookshop database, the complete information about one specific book is referred to as a ______________.

  • Record
  • Column
  • Table

Question 4)
What makes SQL a very popular database language? Select all that apply.

  • SQL requires very little coding skills to use.
  • SQL is a portable programming language.
  • SQL works with different relational database management systems.

Question 5)
Which SQL command is used to update data in a database table?

  • EDIT command
  • UPDATE command
  • MODIFY command

Question 6)
Which of the following database management systems uses the SQL language? Select all that apply.

  • PostgreSQL
  • MySQL
  • Oracle

Question 7)
What is the importance of a candidate key in a database?

  • A candidate key can be used to drop a table.
  • A candidate key can be used to uniquely identify rows in a table.
  • A candidate key can be used to encrypt data in a table.

Question 8)
In the following student table, which attribute could be used as a primary key?

Student first name Student last name Mobile number
Carl Merlo 07445532123
Mark Nero 07456532327

 

  • Student first name
  • Student last name
  • Mobile number

Question 9)
‘CREATE TABLE student;’ is the right syntax to create a student table in SQL.

  • True
  • False

Question 10)
Choose the right syntax to create a club database in SQL. Select all correct answers.

  • create club database;
  • CREATE CLUB DATABASE;
  • CREATE DATABASE CLUB;
  • create database club;