Web development quizzes

NULL is exactly the same as empty string.
False
True

SQL injection is a technique where malicious users inject SQL commands into an SQL statement, via website input.
False
True

This query is correct: SELECT * FROM employee WHERE age BETWEEN 20 AND 25;
False
True

This query is correct: SELECT * FROM employee WHERE EITHER age = 25 OR age = 30;
False
True

LEFT JOIN returns all rows when there is at least one match in BOTH tables
False
True