CS145 Introduction
How the Course Fits In
Gradiance Homework System
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Content of CS145
Design of databases.
 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).
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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 “minitest.”
 You try as many times as you like and get
help with each wrong answer.
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Gradiance Access
 Full information:
www/class/cs145/intro.html#homework
 To get your account, you need:
1. Access token that you get from the “ValuePack” available at the bookstore.
2. Secret class token: B00F375E
 For alternatives, see the intro.html file.
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Gradiance --- (2)
Register for your account at:
www.gradiance.com/PH
Some good advice on taking advantage
of the system at:www.gradiance.com
 Look for student guide and student
quickstart.
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