Web development quizzes

This query is correct: SELECT * FROM employee ON age = 25;
False
True

SQL can retrieve data from a database.
False
True

This query is correct: ERASE FROM table_name WHERE column1=value1;
False
True

You can have several PRIMARY KEY constraints per table.
False
True

MySQL is (as of March 2014) the world's second most widely used open-source RDBMS.
False
True