text: exports.up = knex => knex.schema.createTable('students', table => {
    table.increments('id');
    table.text('name').notNullable();
    table.text('cpf').notNullable();
    table.integer('course_id')
    .references('courses.id')
    .notNullable()
    .onDelete('CASCADE');
    table.timestamps(true, true);
  });
  
  exports.down = knex => knex.schema.dropTable('students');
  