Equivalences Among Relational Expressions with the Union and Difference Operators

Author:

Sagiv Yehoshua1,Yannakakis Mihalis2

Affiliation:

1. Department of Computer Science, University of Illinois, Urhana, IL

2. Bell Laboratories, 600 Mountain Avenue, Murray Hill, NJ and Princeton University, Princeton, New Jersey

Publisher

Association for Computing Machinery (ACM)

Subject

Artificial Intelligence,Hardware and Architecture,Information Systems,Control and Systems Engineering,Software

Reference25 articles.

1. The theory of joins in relational databases

2. AHO A V HOPCROFT J.E AND ULLMAN J D The Destgn and Analysts of Computer Algorahms Addison- Wesley Reading Mass 1974 AHO A V HOPCROFT J.E AND ULLMAN J D The Destgn and Analysts of Computer Algorahms Addison- Wesley Reading Mass 1974

3. AHO A V SAGIV Y SZVMANSKI T G AND ULI MAN J D inferring a tree from lowest common ancestors with an apphcatlon to the optimlzatmn of relatmnal expressions Proc 16th Ann Allerton Conf on Commumcauon Control and Computing Monticello I11 85Oct 1978 pp 54-63 AHO A V SAGIV Y SZVMANSKI T G AND ULI MAN J D inferring a tree from lowest common ancestors with an apphcatlon to the optimlzatmn of relatmnal expressions Proc 16th Ann Allerton Conf on Commumcauon Control and Computing Monticello I11 85Oct 1978 pp 54-63

4. Efficient optimization of a class of relational expressions

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