Embedding MSQL Queries into a Logic Based Transaction Processing Framework Eva Kühn and Franz Puntigam University of Technology Vienna, Institute of Computer Languages Argentinierstr. 8, A-1040 Vienna, Austria, Europe {eva,franz}@mips.complang.tuwien.ac.at The processing of multi database transactions requires not only a powerful non procedural user language to express a query on several databases but also the possibility to specify the execution control of such queries. In this paper, we show how transaction control can be added to MSQL queries. A minimal set of language primitives is combined with the VPL (Vienna Parallel Logic) language so that the dynamic formulation of MSQL queries with explicit control specification is supported.