Question: [Joe Celko’s Promo Puzzle]Let’s assume that you have just gotten a job as the sales manager for a department store. Your database has the following two tables. One is
Question: [Joe Celko’s Production Report Puzzle]We get a production report from work centers which has a date, center code and how many widgets were produced from each batch of raw
Question: What can I use to produce VRML, or can I write it like HTML? Answer: It is possible to write VRML as a purely text-based language, using a regular
Question: [Joe Celko’s Best Salesmen by Territory Puzzle]Martin Tillinger posted this problem on the MSAccess forum of CompuServe. How do you get the top three salesmen in each territory, given
Question: What is the difference between VRML 1.0 and 2.0? Answer: VRML 1.0 worlds are static environments in which you can move around and click on objects to link to
Question: How can I achieve photographic 3D environments on the Web? Answer: QTVR is a type of movie file format that enables users to navigate photo-quality scenes. There is a
Question: Is there software out there that allows one to create interactive VRML worlds without knowing how to program? Answer: Yes: Fountain Pro from Caligari, Virtual Home Space Builder from
Question: I’ve heard a lot about VRML, but don’t know what it is. Please explain. Answer: VRML (Virtual Reality Markup Language) is a method for sending 3D data across the
Question: I’m wondering if/how one can link two or more embedded VRML objects in a single Web page so that both objects would respond to the same key/mouse input. I’m