User Charge Estimation in Numeric Online Databases: A Methodology |
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Page 26
... June 18-21 , 1984 , pp . 256-276 . Richard , P. " Evaluation of the Size of a Query Expressed in Relational Algebra " In : Lien , Y.E. ed . Proceedings of the ACM SIGMOD Conference , Ann Arbor , Mich . , 1981 , pp.155-163 . Rosenthal ...
... June 18-21 , 1984 , pp . 256-276 . Richard , P. " Evaluation of the Size of a Query Expressed in Relational Algebra " In : Lien , Y.E. ed . Proceedings of the ACM SIGMOD Conference , Ann Arbor , Mich . , 1981 , pp.155-163 . Rosenthal ...
Page 41
A Methodology Kalervo Järvelin. THE Journal of Documentation VOLUME 42 NUMBER 2 JUNE 1986 A STRAIGHTFORWARD METHOD FOR ADVANCE ESTIMATION OF USER CHARGES FOR ... June 1986 , pp . 65-83 . 65 formation ( as opposed to references ) that can be.
A Methodology Kalervo Järvelin. THE Journal of Documentation VOLUME 42 NUMBER 2 JUNE 1986 A STRAIGHTFORWARD METHOD FOR ADVANCE ESTIMATION OF USER CHARGES FOR ... June 1986 , pp . 65-83 . 65 formation ( as opposed to references ) that can be.
Page
... June 18-21 , 1984 , pp . 256-276 . 16. CODD , E. F. A relational model for large shared data banks . Communications of the ACM , 13 ( 6 ) , 1970 , 377-387 . 17. ULLMAN , J. D. Principles of database systems . London : Pitman , 1980 . 18 ...
... June 18-21 , 1984 , pp . 256-276 . 16. CODD , E. F. A relational model for large shared data banks . Communications of the ACM , 13 ( 6 ) , 1970 , 377-387 . 17. ULLMAN , J. D. Principles of database systems . London : Pitman , 1980 . 18 ...
Contents
USER CHARGING | 13 |
THE RELATIONAL DATA MODEL | 20 |
CARDINALITY ESTIMATION IN NUMERIC ONLINE | 32 |
Copyright | |
7 other sections not shown
Common terms and phrases
A-names access strategy Appendix approach attribute description set attribute name set attribute selectivity attribute values attributes PRODUCT-NO basis BDBs candidate keys cardinality estimation charging methods CODATA components computed connect-time considered constructed data model database files Database Management Database Management Systems database user developed elementary predicates English Summary example expression F1 and F2 FD-set file design file organization file structures Finland functional dependencies implementation information retrieval Information Science intermediate files inverted file Järvelin join attribute join predicate julkaisuja manipulation MANUF-NO MARKET-SHARE methodology n-tuple NDBs Numeric Databases online databases operand file description procedure cost model processing cost PRODUCTS file QSALES query cardinality query cost modelling query negotiation query optimization query processing query results r-card r-description RA operations records relational algebra relational data model restriction predicate result file description SIGMOD sort-key storage parameters Systems TAHITI TRADEMARK TYPE unit charges University of Tampere upper bound user charge estimation vendor