4. Databases and Storage
Sql Fundamentals — Quiz
Test your understanding of sql fundamentals with 5 practice questions.
Practice Questions
Question 1
Which SQL command is used to define or modify the structure of a database object?
Question 2
What is the purpose of the \text{ORDER BY} clause in SQL?
Question 3
Which type of $\text{JOIN}$ returns all rows from the right table, and the matching rows from the left table. If there is no match, the result is $\text{NULL}$ from the left side?
Question 4
Which SQL aggregate function returns the number of rows that match a specified criterion?
Question 5
Consider a table named 'Products' with columns 'ProductID' and 'Price'. Which query correctly calculates the total price of all products?