Quizzes de desenvolupament web

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

A NOT NULL constraint can accept NULL values.
False
True

This query is correct: SELECT * FROM employee WHERE age IN (20,21,22);
False
True

The DEFAULT constraint inserts a default value into a column.
False
True

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