Question: relations instructor ( ID , Name, dept_name, salary) course ( Course_id , title, dept_name, credits) teaches ( ID, course_id, section_id, semester, year ) Give an

relations instructor (ID, Name, dept_name, salary) course (Course_id, title, dept_name, credits) teaches (ID, course_id, section_id, semester, year)

Give an sql query to find the list of course_id, title of the courses taught by instructors in the CS department in the spring semester of 2017

Also write an relational algebra expression that is equivalent to the sql query

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