Question: R=(A,B,C,D,E,F) F={ABC, ECF, BE, CDEF} 1. (AB)+=? 2. (AD) +=? Is ADF implied by F? REFERENCE : Database System Concepts (7th Edition) Avi Silberschatz, Henry

R=(A,B,C,D,E,F) F={ABC, ECF, BE, CDEF} 1. (AB)+=? 2. (AD) +=? Is ADF implied by F?

R=(A,B,C,D,E,F) F={ABC, ECF, BE, CDEF} 1. (AB)+=? 2. (AD) +=? Is ADF

REFERENCE : Database System Concepts (7th Edition) Avi Silberschatz, Henry F. Kroth, S. Sudarshan

I don't have the link for the book

End of Chapter 7 Homework 5 . R = (A, B, C, D, E, F) F = {A BC, E CF, B E, CD EF} 1. (AB)* = ? 2. (AD) * = ? Is ADF implied by F? Page 354 7.6

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