CS 561   Spring 2007.

CS561 "HOMEWORK" #8

Assigned: Thursday, Mar 22, 2007
Due: Thursday, Mar 29, 2007

To do:

• Read the assigned readings on query processing and robustness. I have handed out copies in class, and they are also linked onto our webpage.

• Prepare one integrated written report on the two readings to be turned in in the next class meeting.

• The goal is to tease out the main points from the assigned readings.

• Topics to consider in your critique include:
  • Explain what are the new goal(s) that these two systems are targetting beyond what current query optimizer support.
  • Briefly sketch the most important ideas proposed and techniques employed in each of the two papers, respectively.
  • Further, discuss which of those techniques could be applied also in stream query processing systems. Discuss why or why not. Also, indicate if any adjustments may have to be made to these methods in order to do so.
• Can you think of any research challenges beyond those tackled in those 2 papers that remain unsolved to date for query optimization?