$[15$ points$]$ Consider the following relations and write the appropriate SQL statements to answer the

queries given below.

EMPLOYEE

WORKS$\_$ON

PROJECT

DEPENDENT

i$)$ List the Fast name, last name, and SSN of all employees who works on a project called 'ProductY'

or 'ProductZ' and have dependents

ii$)$ List the names of all projects which have exactly three employees and have no dependents.

iii$)$ What is the degree and cardinality of the relation produced by the cartesian product of

WORKS$\_$ON and PROJECT.

iv$)$ List the names of employees who work less than $5$ hours per week on the 'Computerization'

project.

v$)$ List the names of employees who work on more than two projects.