[Database class] Database hw4 online

[Paul S. Wang]

Dear Database class,

I have posted your next homework online.

Enjoy,
Paul
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 Paul S. Wang                               Email: pwang at cs.kent.edu            
 Director of Research, ICM/Kent             Tel: (330) 672-9051
 Dept. of Computer Science, Kent State U.   FAX: (330) 672-2725
 Kent, Ohio, USA 44242-0001                 http://www.cs.kent.edu/~pwang/ 
 Institute for Computational                Email: icm at mcs.kent.edu
 Mathematics (ICM)                          http://icm.mcs.kent.edu/
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