1. How the Course Fits In Gradiance Homework System
CS145 Introduction
How the Course Fits In
Gradiance Homework System

2. Content of CS145 Design of databases. Database programming.
E/R model, relational model, semistructured model, XML, UML, ODL.
Database programming.
SQL, XPath, XQuery, Relational algebra, Datalog, OQL.
Not DBMS implementation (that’s CS245, 346, 347).

3. Gradiance Homework System
Automatic, fast-feedback system for taking you through standard homework problems and verifying your knowledge.
Unusual: goal is to get 100% and learn.
Homework in CS145 is not a weekly “mini-test.”
You try as many times as you like and get help with each wrong answer.

4. Gradiance Access Full information: www/class/cs145/intro.html#homework
To get your account, you need:
Access token that you get from the “Value-Pack” available at the bookstore.
Secret class token: B00F375E
For alternatives, see the intro.html file.

5. Gradiance --- (2) Register for your account at: www.gradiance.com/PH
Some good advice on taking advantage of the system at:
Look for student guide and student quickstart.