1981 | OriginalPaper | Buchkapitel
A Systolic (VLSI) Array for Processing Simple Relational Queries
verfasst von : Philip L. Lehman
Erschienen in: VLSI Systems and Computations
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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This paper discusses die use of systolic arrays (a conceptual and design tool for VLSI systems [11]) to produce VLSI capable of processing simple relational database queries, which are by far the most frequently executed queries in practical large database systems. We will be concerned with the exploitation of VLSI technology to process “simple” relational queries very rapidly; the design of an array for this task is described below. The systolic properties of the array design arc considered, and are shown to have analogs in the domain of databases by using the systolic properties to prove certain consistency and scheduling complexity properties of all transactions executed by the array (hereinafter called the simple query array, or SQA). The SQA is intended for use as an integral part of a systolic database machine [13], which would handle very large databases and is expected to have a high performance gain over conventional database systems. The machine should also compare quite favorably with other database machine designs (for example [1,4,16,17,19]), especially when used for databases with frequent simple queries, i.e. those databases used by most commercial applications!