app.js

var jdbc = require('jdbc');

var config = {
    libpath: __dirname + 'drivers/db2jcc.jar',
    drivername: 'com.ibm.db2.jcc.DB2Driver',
    url: 'jdbc:' + 'db2://url:port/PATH' + ':user=' + 'user' + ';password=' + 'secret' + ';'
};

jdbc.initialize(config);
jdbc.on("init", function(res, err) {
    if (err) {
        console.log(err);
    }
});

jdbc.open();
jdbc.on("open", function(conn, err) {
    jdbc.execute("SELECT * FROM table");
    jdbc.on("execute", function(err, results) {
        console.log(results);
    });
});