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Eksekusi Paralel Operator Relasi dari Transaksi pada Basis Data Model Relasi

Benhard Sitohang


Improvement of RDBMS response-time was tried by anticipating to execute all relational operators of the transaction as a parallel process. This paper explains an approach which enables parallel execution (by defining "free operators"), test-case and analysis to know how far the improvement can be attained. Test-case result on PDP-11/44, under Xenix, was used to identify others constraints which plays role to the improvement. Response-time of test-case which parallel-execution performed better then sequential-execution (reduction : 11.,36 %). Others test-case transactions don't present satisfying result to the hypotheses (reduction : -6O,87 %).


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