servicio_social_api/server/helper/sybase.js

require('../config/config');
const Sybase = require('sybase');
const db = new Sybase(
  process.env.SYBASE_IP,
  Number(process.env.SYBASE_PORT),
  process.env.SYBASE_DB,
  process.env.SYBASE_USER,
  process.env.SYBASE_PASSWORD
);

db.connect((err) => {
  if (err) return console.log(err);

  db.query('select * from alumnos', function (err, data) {
    if (err) console.log(err);

    console.log(data);
    db.disconnect();
  });
});