Contents of Report

[Data of Report]

Report Number:: TR0053
Date of Registration:: 1984.03
English Title:: A Relational Database Machine with Large Semiconductor Disk and Hardware Relational Algebra Processor
Japanese Title:: ***
English Author:: S.Shibayama,T.Kakuta,N.Miyazaki,H.Yokota,K.Murakami
Japanese:: ***
Name of Organization to which author belongs:: ICOT,ICOT,ICOT,ICOT,ICOT
PDF:: tr0053.pdf

	Abstract	.... 6
1	Introduction	.... 6
2	Delta Architecture	.... 7
2.1	Interface Procssor	.... 7
2.2	Control Processor	.... 8
2.3	Relational Database Engine	.... 9
2.4	Hierarchical Memory	.... 12
2.5	Maintenance Processor	.... 14
3	Relational Algebra Processing Algorithm	.... 14
3.1	Merge-Sort Relational Algebra Alogorithm	.... 14
3.2	Merger Alogrithm	.... 16
4	Delta Commad Set	.... 19
4.1	Commad-Tree and Transaction	.... 19
4.2	Relational Algebra	.... 20
4.3	Set Operation	.... 21
4.4	Set Comparison	.... 21
4.5	Aggeregate Function	.... 22
4.6	Arithmetic Operation	.... 22
4.7	Definition	.... 22
4.8	Update	.... 23
4.9	Transaction Control	.... 23
4.10	Input / Output	.... 24
4.11	Asynchronous Commands	.... 24
4.12	Miscellaneous Commamds	.... 25
5	Internal Schema	.... 25
5.1	Tuple Based Sshema and Atrribute Based Schema	.... 25
5.2	Clustering	.... 27
6	Relational Database Engine (RDBE) Details	.... 28
7	Hierarchical Memory Subsystem	.... 32
8	Implementation Designs	.... 35
9	Performance Estimation	.... 36
9.1	A Delta Performance Estimation	.... 38
9.2	A selection Example	.... 39
10	Towards a Knowledge Base Machine	.... 40
11	Conclusion	.... 42
12	Acknowledgements	.... 42
	References	.... 43
	End	.... 53

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