UMBC              Fall 2005
CMSC661        Principles of Database Systems
 

Homework1 -- Due October 10th  beginning of class. No late homework accepted.

All questions are from H. G-M
 

  1. Exercise 5.2.1 any 4 (40 points)
  2. Exercise 5.2.12 (10 points)
  3. Exercise 6.3.1 any 4 (20 points)
  4. Exercise 6.3.11 (also provide relational algebra expressions for each)(10 points)
  5. Exercise 6.4.6 any 4 (20 points)

Reading assignment:

  1. Section 5.3 Bag Semantics
  2. Chapter 7 on Constraints and Triggers