vacols-with-node.js

var oracledb = require('oracledb');

oracledb.getConnection({
  user: "USERNAME",
  password: "PASSWORD",
  connectString: "HOSTNAME:PORT/DATABASE_NAME"
},
function(err, connection) {
  console.log('got connection', err, connection);
  setInterval(function() {
    if (err) { console.error(err); return; }
    connection.execute("SELECT * FROM VACOLS.BRIEFF WHERE BFKEY=TO_CHAR(12345)", function(err, result) {
    if (err) { console.error(err); return; }
    console.log(result.rows);
    });
  }, 2000);
});