a) In the relationitable) Course, do you find ather ymong te te attributes orthe key yon found.(7 pts) b).Do table(representing a relationship) relates other tablestentitiesy? (7 pts) you see any table that implements a relationship? If you do describe how c). Write a relational algebra expression that will return all the courses that all the students take The result set should have the attributes: jNumber, firstName, lastName, courseNumber section Number, year, and semester. Also write a relational algebra expression to do the same pts) a) In the relationitable) Course, do you find ather ymong te te attributes orthe key yon found.(7 pts) b).Do table(representing a relationship) relates other tablestentitiesy? (7 pts) you see any table that implements a relationship? If you do describe how c). Write a relational algebra expression that will return all the courses that all the students take The result set should have the attributes: jNumber, firstName, lastName, courseNumber section Number, year, and semester. Also write a relational algebra expression to do the same pts)