Method for Processing Data Queries

摘要

Data queries can be processed in the following way without changing any existing program logic or application code. Control information for determining access plan instructions for data queries is accessed. A first data query for extracting information from a data source is received. Access plan instructions for the first data query are determined based at least on contents of the first data query and the control information. Access plan instructions are provided to the data source for generating an access plan to extract the information.