docs: function Describe(options, callback) {
      var self = this;
      Joi.validate(options, schema, function(err, options) {
          if (err) {
              throw err;
          }
          self.options = options;
      });
  
      var queryOptions = {
          query : 'DESCRIBE ' + self.options.table
      };
  
      Query.call(this, queryOptions, callback);
  }