Group of attributes on the left hand side of arrow of function dependency.
A. 1 – d, 2 – b, 3 – a, 4 – c
B. 2 – d, 3 – a, 1 – b, 4 – c
C. 4 – a, 3 – b, 2 – c, 1 – d
D. 3 – a, 4 – b, 1 – c, 2 – d
Answer:A
Group of attributes on the left hand side of arrow of function dependency.
A. 1 – d, 2 – b, 3 – a, 4 – c B. 2 – d, 3 – a, 1 – b, 4 – c C. 4 – a, 3 – b, 2 – c, 1 – d D. 3 – a, 4 – b, 1 – c, 2 – d