lib/converter.js
function database(n) {
  var dbid = new Buffer([0xFE])
    , len = this.getLengthEncoding(n, false);
  return Buffer.concat([dbid, len], dbid.length + len.length);
}
function database(n) {
  var dbid = new Buffer([0xFE])
    , len = this.getLengthEncoding(n, false);
  return Buffer.concat([dbid, len], dbid.length + len.length);
}
Get a database buffer.