User Charge Estimation in Numeric Online Databases: A Methodology |
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Page 11
... kind of solutions or results should be achieved when treating or performing them ; what approaches , methods and sequences of operation are relevant when treating or performing them ; what data and information must be available on the ...
... kind of solutions or results should be achieved when treating or performing them ; what approaches , methods and sequences of operation are relevant when treating or performing them ; what data and information must be available on the ...
Page 24
... kind of tools , methods and results in user charge estimation can be achieved and what kind of approaches are relevant in user charge estimation . Moreover , the basic principles and architecture of the tools and methods remain valid ...
... kind of tools , methods and results in user charge estimation can be achieved and what kind of approaches are relevant in user charge estimation . Moreover , the basic principles and architecture of the tools and methods remain valid ...
Page 26
... kind of selection . Therefore the attribute descriptions of joins can be computed in more or less the same way as in the context of selections . However , the join attributes are an exception . The attribute description set for joins is ...
... kind of selection . Therefore the attribute descriptions of joins can be computed in more or less the same way as in the context of selections . However , the join attributes are an exception . The attribute description set for joins is ...
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