Exercise 19.15 Answer the following questions Prove that the algorithm shown in Figure 19....
Exercise 19.15 Answer the following questions
Prove that the algorithm shown in Figure 19.4 correctly computes the attribute closure of the input attribute set X.
Describe a linear-time (in the size of the set of FDs, where the size of each FD is the number of attributes involved) algorithm for finding the attribute closure of a set of attributes with respect to a set of FDs. Prove that your algorithm correctly computes the attribute closure of the input attribute set.
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