gistfile1.js

Promise.try(() => {
  return Promise.all([
    knex('course_requests').select('*'),
    knex.raw('select distinct(CourseTitle) as courses from course_requests group by CourseTitle')
  ])
}).then(([allrecords, rows]) => {
  console.log(rows)
})

/* Console.log(rows)
[
    RowDataPacket { courses: 'French I' },
    RowDataPacket { courses: 'French II' },
    RowDataPacket { courses: 'French III' },
    RowDataPacket { courses: 'French III Honors' },
    RowDataPacket { courses: 'French IV' },
    RowDataPacket { courses: 'French V' },
    RowDataPacket { courses: 'G Block Free' },
    ...
]

*/