HELP! * BLUE=global GREY=local Global HTML version of Foils prepared July 23,1995

Foil 74 Oracle Parallel RDBMS Architecture
Parallel Data Query option:

From Full Relational Database HPDC-4 Presentation HPDC-4 Tutorial/CPS616 Spring95 -- August 1, Pentagon City Virginia. by Gang Cheng Marek Podgorny (Geoffrey Fox) * See also color IMAGE
parallelizes execution of a single SQL query
parallel execution carried out by concurrent Unix processes communicating via shared memory
single Oracle instance sufficient - no PS necessary
uses multiple CPUs on SMP architectures but can run on single CPU machines as well with modest performance benefits
essential for Decision Support
irrelevant for OLTP
Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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