Final Exam: Introduction to Database Systems
REFERENCE DATABASE . This is the Reference Database referred to in some of the questions. There are six tables describing a company, describing employees, departments, buildings, which department(s) an employee works in (and a percentage of the time for each), department managers
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Midterm Exam: Introduction to Database Systems: Solutions
hkn.eecs.berkeley.eduMidterm Exam: Introduction to Database Systems: Solutions 1. Entity-Relationship Model [16 points] Below is the preferred solution: The following variants were also accepted: a. [12 points] Complete the diagram above to be a valid E-R diagram reflecting the following constraints.
Midterm Exam Solutions - University of California, Berkeley
hkn.eecs.berkeley.eduMidterm Exam Solutions CS161 Computer Security, Spring 2008 1. To encrypt a series of plaintext blocks p 1;p 2;:::p n using a block cipher E operating in electronic code book (ECB) mode, each ciphertext block
Midterm 2 exam solutions Please— do not read or discuss ...
hkn.eecs.berkeley.eduMidterm 2 exam solutions Please— do not read or discuss these solutions in the exam room while others are still taking the exam. CS 161, Spring 2010, MT2 Solns 1. Problem 1. [True or false] (14 points) (a) TRUE or FALSE: If Alice has a message to send to Bob and she wants to encrypt the message using
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