Quizzes de desarrollo web

NULL is exactly the same as empty string.
False
True

This query is correct: SELECT * FROM employee ORDER BY age DESC;
False
True

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

A NOT NULL constraint can accept NULL values.
False
True

The UPDATE statement is a data manipulation language (DML).
False
True