The WHERE clause is one of the most essential tools for filtering data in MySQL. By using comparison operators like =, !=, <, >, BETWEEN, and IS NULL, you can refine query results to include only the relevant rows.
This quiz will test your understanding of how to apply the WHERE clause effectively, including using different operators and conditions to filter data in real-world database queries.
1.
What is the result of omitting parentheses in a complex WHERE clause?
2.
Which SQL statement commonly uses the WHERE clause?
3.
Which logical operator negates a condition in a WHERE clause?
4.
Which operator is used to find values that are NOT equal in a WHERE clause?
5.
Which keyword is used to check for NULL values in MySQL?
6.
What will the following query return?
SELECT * FROM product WHERE price > 1000;
7.
What will the following query return?
SELECT * FROM product WHERE price BETWEEN 500 AND 1500;
8.
Which operator is used to filter values that fall within a specific range?
9.
What is the purpose of the WHERE clause in MySQL?
10.
Which operator is used for checking equality in a WHERE clause?
11.
Which of the following is a valid syntax for using the WHERE clause?
12.
What will the following query return?
SELECT * FROM product WHERE price NOT BETWEEN 1000 AND 2000;
