QUESTION 28 B1 Consider the following database tables. There is a Many Many relationship between Table I and Table II. Table III is the cross table for physical implementation of the logical schema. Table 1 Table II A B D A1 C1 D1 A2 C2 B2 D2 A3 C3 B3 D3 B4 D4 Table III B5 D5 B A B1 A1 A2 B2 A2 B3 A3 B3 A1 B4 A3 B5 A3 B1 What is the relationship cardinality between Table I + Table III and between Table II + Table III? A) 1M and 1 M B) M1 and M 1 C) MM and MM D) 1 1 and 1 1 A B. QUESTION 29 D c1 E1 Consider the following table. Which of the following can be the primary key of the table? A B E A1 B1 D1 A1 B1 C2 D2 E1 A2 B2 C1 D1 A3 B3 C1 D1 E3 A3 B3 C2 D2 E3 E2 B) AB C) AC CD