1. A method of generating a data object, the method being implemented by a computer system and comprising the steps of: generating, using a processor of the computer system, a definition file of a first format for the data object; generating a database table; generating a mapping between the definition file and the database table; linking the definition file to a data source by including a path of the data source in the definition file, the data source including an attribute; executing, using the processor, a query to extract the attribute from the data source; importing the extracted attribute into the database table using the mapping between the definition file and the database table; and storing, in the memory device, the definition file, the database table, and the attribute for generation of the data object with the attribute.