Web development quizzes

SQL can retrieve data from a database.
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 column1 FROM table1 UNION SELECT column2 FROM table2;
False
True

The first version of MySQL appeared on 23 May 1981.
False
True

We use the DIFFERENT keyword to retrieve different values, for example: SELECT DIFFERENT column_name FROM table_name;
False
True