9. The data providing system of claim 8 , wherein the processor is configured to receive the data from the data repository by identifying a first data source according to a source key, identifying a record in the first data source containing the data according to a record key, and retrieving the data from the record.
9. The data providing system of claim 8 , wherein the processor is configured to receive the data from the data repository by identifying a first data source according to a source key, identifying a record in the first data source containing the data according to a record key, and retrieving the data from the record. 10. The data providing system of claim 9 , wherein the first data source is a table, the source key identifying the table among the plurality of data sources.