Question: Question 9: Which option is incorrect? (A) If XY is a One-to-Many relationship, YX cannot be a Ond-to-One relationship. (B) If X-Y is a One-to-Many


Question 9: Which option is incorrect? (A) If XY is a One-to-Many relationship, YX cannot be a Ond-to-One relationship. (B) If X-Y is a One-to-Many relationship, Y-X cannot be a One-to-One relationship. (C) If X-Y is a One-to-One relationship, Y-X can be a One-to-One relationship. (D) If X-Y is a One-to-Many relationship, Y-X cannot be a Many-to-One relationship. Question 10: Consider the following diagram: Which item is not correct? (A) X is a parent entity set. (B) Y is a subordinate entity set. (C) X is a dominant entity set. (D) R is existence dependent on X. (E) Y is a child entity set. (F) X is a strong entity set. Question 11: Consider the following tables: What is the result of the below table operation: Student - (Employee n Student)? (C) If XY is a One-to-One relationship, YX can be a One-to-One relationship. (D) If X-Y is a One-to-Many relationship, Y-X cannot be a Many-to-One relationship. Question 10: Consider the following diagram: Which item is not correct? (A) X is a parent entity set. (B) Y is a subordinate entity set. (C) X is a dominant entity set. (D) R is existence dependent on X. (E) Y is a child entity set. (F) X is a strong entity set. Question 11: Consider the following tables: What is the result of the below table operation: Student - (Employee Student)? Question 12: Let T denote the table resulted from the table operation in Question 11. What is T Enroll? Question 13: Considering the tables of Question 11, what is the result of the following table operation: ChassNumber,stuild(Ginades86( Enroll) ) Question 14: Considering the tables of Question 11, what is the result of the following operations
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
