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CS145 Introduction

CS145 provides a foundational understanding of database design, covering key models such as E/R, relational, and semi-structured. You'll learn database programming with SQL, XPath, XQuery, and more. The course utilizes the Gradiance Homework System, designed for instant feedback to help solidify your knowledge. With the goal of achieving 100% understanding, you can attempt homework problems as many times as needed and receive assistance on incorrect answers. For account access, obtain your token from the bookstore and register at Gradiance.

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CS145 Introduction

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

  2. 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).

  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:www.gradiance.com • Look for student guide and student quickstart.

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