Method and system for a transparent application of multiple queries across multiple data sources

摘要

Methods and systems are provided for a transparent application of multiple queries across multiple data sources. The system may receive a request to search for data. The system may perform a search of a logical table based on a criterion to identify a plurality of rows in the logical table. The system may generate fetch levels that include a first and second plurality of tuples based on the plurality of rows. Each fetch level may include a plurality of tuples that identify servers and physical tables that may store the data. The system may further query at least two data sources for the data based on the first plurality of tuples and communicate the data.