Write an SQL expression for each of the following operations:

c) For each course (identified by course ID), count the number of students enrolled in it.

d) Display all student records in alphabetical order of student name.

Consider a student database with the following schema: Students (SID, sName); Courses (cID, Name); Enrolled (sID, ID, sectID, grade) where foreign key (SID) references Students, foreign key (CID) references Courses