International Business Machines Corporation

Jo-Anne M Kirton

Timothy Jon Vincent

Lubor J Kollar

Fred Koo

Robert Alan Begg

Chaitanya K Baru

Gilles Fecteau

A system provides efficient multi-protocol database transaction processing in a multi-communications protocol and multi-programming model computing environment. The system separates the source and the target functionalities, and uses generic function names linked to function pointers, in order to permit the source layer to call embedded functions in the target layer. As an example, the system provides a source layer code path that includes embedded call-back functions and embedded generic function names. A target layer code path is set to include embedded functions and generic call-back function names. A function pointer array permits the source layer code path to call functions embedded in the target layer code path using the generic function names. A call-back function pointer array permits the target layer code path to call the call-back functions embedded in the source layer code path using the generic call-back function names.

System and method for enabling efficient multi-protocol database transaction processing

A method and apparatus for distributing data of a table across a parallel data base system having a plurality of interlinked database nodes. The table is partitioned in accordance with a predetermined partitioning arrangement and data of the table is distributed across a subset of the nodes in accordance with the partitioning arrangement. The partitioning arrangement can comprise horizontal or vertical partitioning. The partitioning arrangement can comprise a partitioning map defining the relationship of partitions of the table to said subset of nodes.

Method and apparatus for implementing partial declustering in a parallel

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Richmond Hill, Canada

Jo-Anne M Kirton