Question $3(5$ points$)$

Convert the following ER diagram to Relational Model

Question $4(1$ point$)$

A NULL value means

Value missing

Value unknown

More than $1000$

All the above

Question $5(1$ point$)$

Which of the following Join operation will give only the matching tuples?

A$)$ Inner Join

B$)$ Left Outer Join

C$)$ Right Outer Join

D$)$ Full Outer Join