SQL Questions Please!

Question 1 (10 points) On an ERD, a rectangle represents a telatlonihio type. True Fake Question 2 (10 points) On an ERO, a double ellipsis represents a set-valued attr bute. Irue Falae Question 3 (10 points) On an ERD. ISA regresentr an inheritance selationship and is used to capture oblectoriented concepts: True False Question 4 (10 points) We consider the following ERD. A professor works in 0 or 1 department. A department has many professorst What is the careinality to add on the FRD and the values for X and Y ? Worksin is X=1 and Y=N. Worksin is one-to-many from Professor to Depurtment. X=1 and Y=1. Worksin is one-to-one from Protessor to Department. XN and Y=1. Worksin is one-to-many froin Department to Professor. X=N and Y=M Worksin is many to-masy from Professer to Degartment