G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 17/30 (2006.01) H04L 12/16 (2006.01)
Patent
CA 2305122
The method and system of the present invention provides improved access to databases in a computer system. The present invention includes a plurality of data sources, the data sources including at least one non-relational data source; a server coupled to the plurality of data sources, the server capable of providing client access to the plurality of data sources; and a store place data access layer (SPDAL) coupled to the server and the at least one non-relational data source, the SPDAL providing relational features to the at least one non-relational data source. In the preferred embodiment, the relational features provided include a two-phase commit process; a process for performing Structured Query Language (SQL) operations from within a single application; a referential integrity process; and a process for providing indices for non- relational data source files. These features allow the computer system to perform data changes across multiple database sources within a single operation; perform SQL operations from a single application across heterogeneous file systems; provide referential integrity of data in both relational and non- relational databases; and perform ad-hoc queries of data and other queries efficiently in non-relational databases. By adding these features, significant flexibility is added to the computer system.
Gajda Kimberly L.
Hess Bradley A.
Kemp Julie A.h.
Lewis Jerry J.
Thorpe Robert T.
Barrett B.p.
International Business Machines Corporation
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