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Consider the relation schema R={A, B, C, D, E}and the following set of FDs: AB ABCD CEA BDA 1 Find all candidate keys in R
Consider the relation schema R={A, B, C, D, E}and the following set of FDs:
AB
ABCD
CEA
BDA
1 Find all candidate keys in R and count the number of superkeys in R. Justify answer (i.e., include the main steps used for nding all candidate keys and counting the number of superkeys).
2 What is a minimal cover of ? Justify answer (i.e., include the main steps used for nding a minimal cover).
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