Question
Consider relation R(a,b,c,d) with FD ab and MVD a->>c. a. Write all the candidate keys for R. b. What schema(s) would be produced by the
Consider relation R(a,b,c,d) with FD ab and MVD a->>c.
a. Write all the candidate keys for R.
b. What schema(s) would be produced by the 4NF decomposition algorithm?
A. R1={a,b,c,d} B. R1={a,b,c}, R2={a,d} C. R1={a,b}, R2={a,c,d} D. R1={a,b}, R2={a,c}, R2={a,d} E. none of the above
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Database Principles Programming And Performance
Authors: Patrick O'Neil
1st Edition
1558603921, 978-1558603929
