Resources for the web development. Tutorials, downloads and more.

Web design quizzes

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

This query copies data from table2 to table1: INSERT INTO table2 SELECT * FROM table1;

We can define aliases like this: SELECT age ALIAS myage FROM employee;

A CREATE TABLE statement is a data definition language (DDL).

A VARCHAR can store up to 512 characters.