Problem No$\mathrm{.}1$: See the below relations, then write the

corret relational algebra for each statements.

Students

Courses

Classwork Questions

Retrieve all students whose GPA is greater than or equal to $3\mathrm{.}6.$

Get the names of all courses offered.

Find all students who have enrolled in a course in either Fall

$2023$ or Spring $2024.$

Find the students who enrolled in the Fall $2023$ semester but

not in the Spring $2024$ semester.

Generate a Cartesian product of all students and all courses.

$6.$ Find the details of students who enrolled in a course, including

their names and the course names.

Find the instructors who earn more than $90000$ and belong to

the Physics department.

Find the students who enrolled in both Fall $2023$ and Spring

Rename the 'Students' table to 'Learners' and the attribute

student$\_$name to name.