When Dan Olsen, a professor of computer science at Brigham Young University (BYU), was on sabbatical last year at Microsoft Research, he got a bright idea. He realized that even a laptop was too heavy ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Building on the new jQuery extensions for displaying multiple rows, Peter builds a page that retrieves data from a Web Service based on the user's input -- and filters the data in the client as well.