User Charge Estimation in Numeric Online Databases: A Methodology |
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... London : Pitman , 1980 . 18. CRAWFORD , R. The relational model in information retrieval . Journal of the American Society for Information Science , 32 ( 1 ) , 1981 , 51-64 . 19. MCLEOD , I. A. Towards an information retrieval language ...
... London : Pitman , 1980 . 18. CRAWFORD , R. The relational model in information retrieval . Journal of the American Society for Information Science , 32 ( 1 ) , 1981 , 51-64 . 19. MCLEOD , I. A. Towards an information retrieval language ...
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... London : Pitman ; 1980 . [ 31 ] Astrahan , M.M. et al . " System R : Relational Approach to Database Management " , ACM TODS . 1 ( 2 ) : 97-137 ; 1976 . [ 32 ] Astrahan , M.M .; Chamberlin , D.D. " Implementation of a Structured English ...
... London : Pitman ; 1980 . [ 31 ] Astrahan , M.M. et al . " System R : Relational Approach to Database Management " , ACM TODS . 1 ( 2 ) : 97-137 ; 1976 . [ 32 ] Astrahan , M.M .; Chamberlin , D.D. " Implementation of a Structured English ...
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... London : Butterworths ; 1980 . Rosenthal , A. S. " A Note on the Expected Size of a Join " , ACM SIGMOD Record . 11 ( 4 ) : 19-25 ; 1981 . [ RuHa - 84 ] Rumble , J.R.jr .; Hampel , V.E. eds . Database management in science and ...
... London : Butterworths ; 1980 . Rosenthal , A. S. " A Note on the Expected Size of a Join " , ACM SIGMOD Record . 11 ( 4 ) : 19-25 ; 1981 . [ RuHa - 84 ] Rumble , J.R.jr .; Hampel , V.E. eds . Database management in science and ...
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