Question
Use the COMPANY database to prove by example the following property in Relational Algebra. Hint: choose any relation and any two lists of attributes that
Use the COMPANY database to prove by example the following property in
Relational Algebra. Hint: choose any relation and any two lists of attributes that
satisfy the restriction mentioned below. Then, evaluate the left hand side and the right
hand side and the output should be the same.
(3.5 points)
such that
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Data And Information Quality Dimensions, Principles And Techniques
Authors: Carlo Batini, Monica Scannapieco
1st Edition
3319241060, 9783319241067
