module.exports = function(app, db) {
app.post('/newInput', function(req, res) {
    var insert = "INSERT INTO KFEDOROV.ISSUES_TABLE VALUES ('"+
    req.body.reqNo+
    "', '"+
    req.body.entity+
    "', '"+
    req.body.userId+
    "', '"+
    req.body.newValue+
    "', '"+
    req.body.userId+
    "', '"+
    req.body.userOrgUai+
    "', 'NEW','"+
    req.body.oldValue+
    "');";


    oracledb.getConnection(
        {
            user: 'user',
            password: 'pass',
            connectString: 'connection'
        },
        function (err, connection) {
            if (err) {
                console.error(err.message);
                return;
            }
            connection.execute(insert, { autoCommit: true}, function(err, result) {
                    if (err) {
                        console.error(err.message);
                        doRelease(connection);
                        return;
                    } else {
                            console.log(result.rows);
                            doRelease(connection);
                    }
                }
            )


                function doRelease(connection)
                {
                connection.close(
                    function(err) {
                    if (err)
                        console.error(err.message);
                    });
                }
            });
        });

execute(String sql, [Object bindParams, [Object options,]] function(Error error, [Object result]){});

connection.execute(insert, [],  { autoCommit: true}, function(err, result) {
...