Help me in solving GSQ61A problem

My issue

Select Course_id from course
join student
on Course_id.course=student.Course_id;

My code

/* Write a query to join the table 'student' and 'course' using 'Course_id' to match both the tables and output the joined table. */
Select Course_id from course
join student
on Course_id.course=student.Course_id;

Learning course: SQL Intermediate
Problem Link: Combining tables with SQL Practice Problem in SQL Intermediate - CodeChef