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..

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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

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;