1. Explain how a screen from the conceptual web data design is represented in the logical web data design. 2. Explain the following concepts used during physical web data design: (a) stored function...

1. Explain how a screen from the conceptual web data design is represented in the logical web data design.

2. Explain the following concepts used during physical web data design:

(a) stored function

(b) wrapper function.

3. Explain why it is better to design web pages that query a single table. When might this approach be inappropriate?

4. Why would you use a wrapper function?