Module quiz: SQL operators and sorting and filtering data Quiz Answers
In this article i am gone to share Coursera Course: Introduction to Databases for Back-End Development by Meta Week 3 | Module quiz: SQL operators and sorting and filtering data Quiz Answers with you..
Also visit: Module quiz: Create, Read, Update and Delete (CRUD) Operations Quiz Answers
Module quiz: SQL operators and sorting and filtering data
Question 1)
Which of the following SQL statements adds a $2.00 service fee to the total price in a table called “Orders”, that lists the price of orders customers placed with a store?
- SELECT total + 2 FROM Orders;
- SELECT total + 2 FROM the Orders TABLE;
- SELECT total + 2 FROM Orders TABLE;
Question 2)
What does the following SQL statement do?
SELECT total / 2 FROM Orders;
- It returns the result of total price divided by 2 for each cell in the total price column
- It returns the value of total price column in the second row.
Question 3)
The following SQL statement returns 2 percent of the total price:
SELECT total % 2 FROM Orders;
- True
- False
Question 4)
Which of the following SQL statements returns 50% of the total price? Choose all correct answers.
- SELECT total * 50 FROM Orders;
- SELECT total / 2 FROM Orders;
- SELECT total * 0.5 FROM Orders;
- SELECT total / 50% FROM Orders;
Question 5)
Select the right SQL statement to display the values of the total prices that are greater than $140.
- SELECT total FROM Orders WHERE total < 140;
- SELECT total FROM Orders WHERE total >= 140;
- SELECT total FROM Orders WHERE total > 140;
Question 6)
Does the following SQL statements sort the result-set of the total prices in ascending or descending order?
SELECT * FROM Orders ORDER BY total;
- Descending
- Ascending
Question 7)
The following SQL statement filters data based on ____
SELECT * FROM customers WHERE Country = "Germany";
- ‘Germany’ column with ‘country’ value
- ‘Country’ column with ‘Germany’ value
Question 8)
In SQL you can sort records in descending order using the DESCENDING keyword.
- False
- True
Question 9)
The output of the following SQL query within the Orders table is: UK, UK, UK, France, France, Finland
SELECT DISTINCT Country FROM Orders;
- True
- False
Question 10)
What does the following SQL statement do?
SELECT * FROM Orders ORDER BY country, total;
- Orders the result by country first then total price.
- Orders the result by country and ignores the total price.