Contents of Report

[Data of Report]

Report Number:: TR0295
Date of Registration:: 1987.08
English Title:: Design Implementation,and Evaluation of a Relational Database Engine for Variable Length Records
Japanese Title:: ***
English Author:: F.Itoh,H.Itoh,K.Shimakawa,K.Togo,S.Matsuda
Japanese:: ***
Name of Organization to which author belongs:: Toshiba,ICOT,Toshiba,Toshiba,Toshiba
PDF:: tr0295.pdf

	Abstract	.... 2
1	Introduction	.... 2
1.1	Processing variable length records using hardware	.... 3
1.2	Efficient data base processing	.... 3
2	Basic Ideas	.... 3
2.1	Configuration of the Database machine	.... 3
2.2	Processing Methods of the a Relational Database Engine	.... 5
3	Overview of Relational Database Engine	.... 5
3.1	Configuration and Data Format	.... 5
3.2	Controller and Module Functions	.... 6
3.3	Processing Method for Sorting and Relational Algebra Operations	.... 7
4	Design and Implementation	.... 8
4.1	Record Buffer Module and IN Module	.... 8
4.2	Sorting Module	.... 8
4.3	Relational Algebra Processing Module	.... 8
4.4	Clock Time of Data Flow	.... 9
4.5	Actual Implementation	.... 9
5	Performance Evaluation	.... 10
5.1	Basic Performance	.... 10
5.2	Effect of Variable Length Records	.... 12
5.3	Effect of On-the-fly Processing	.... 14
6	Conclusion	.... 15
	Acknowledgments	.... 15
	References	.... 15

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