Question 6 (10 Points): Consider the following database instance. Table name: Students Primary key: sid Table name: Register Primary key: sid,cid Foreign key: sid references Students(sid Foreign key: cid references Courses(cid Sid sname Monica Chandler Mary Nina sid cid 2 Table name: Courses Primary key: cid cid cname Database Compiler For each of the following statements, show whether the statement is correctly executed or not (assume that the statements are executed in order, which means that if a statement is correctly executed, its effect is reflected in the following statement). If you say the statement is not executed, explain why