// courses
// unique (code,uid)
// index (code,uid)
-// assessments
+// evaluations
// unique (cid, name)
// index (cid, name)
-// db.assessments.createIndex( { cid: 1, name: 1 } );
+// db.evaluations.createIndex( { cid: 1, name: 1 } );
// https://docs.mongodb.com/manual/core/index-compound/