<result property="name" column="student_name"/>
<collection property="courses" ofType="Course">
<id property="id" column="course_id"/>
<result property="name" column="course_name"/>
</collection>
<result property="name" column="name"/>
<collection property="courses" column="id"
select="findCoursesByUserId"/>
SELECT c.id, c.title
FROM courses c
INNER JOIN user_course uc ON c.id = uc.course_id
WHERE uc.user_id = #{userId}
