gistfile1.txt

var studentType = new graphql.GraphQLObjectType({
  name: 'Student',
  fields: {
    // student fields here
  },
});

var schoolType = new graphql.GraphQLObjectType({
  name: 'School',
  fields: {
    schoolId: { type: graphql.GraphQLString },
    name: { type: graphql.GraphQLString },
    students: {
      type: new GraphQLList(studentType),
      resolve: function (school) { return someMethodToGetListofStudentsFromDatabase(school.schoolId); },
    },
  },
});