Conjunctive selection using one index . This is
A. A10
B. A7
C. A9
D. A6
Answer:A
Conjunctive selection using one index . This is
A. A10 B. A7 C. A9 D. A6
Explanation: To reduce the cost of A7 we choose a i and one of algorithms A1 through A6 for which the combination results in the least cost for i (r ). The cost of algorithm A7 is given by the cost of the chosen algorithm.