CREATE TABLE course (title VARCHAR2, dept_name VARCHAR2)

Find the title of course that is provided by both Statistics and Psychology departments.
SELECT title FROM course WHERE dept_name = 'Statistics' INTERSECT SELECT title FROM course WHERE dept_name = 'Psychology'
SELECT "title" FROM "course" WHERE "dept_name" = 'Statistics' INTERSECT SELECT "title" FROM "course" WHERE "dept_name" = 'Psychology'