User Charge Estimation in Numeric Online Databases: A Methodology |
From inside the book
Results 1-3 of 13
Page 5
... According to many of the articles in [ ChHe - 84 ] NDBs will gain both in number and popularity in future and they will also partly substitute their printed counterparts ; the more up - to - date information provided by the NDBs will ...
... According to many of the articles in [ ChHe - 84 ] NDBs will gain both in number and popularity in future and they will also partly substitute their printed counterparts ; the more up - to - date information provided by the NDBs will ...
Page 6
... according to unpredictable criteria . All this can also be done manually but is often very tedious and time - consuming . In comparison to the traditional BDBs , NDBs exhibit many differences in respect of the database contents , its ...
... according to unpredictable criteria . All this can also be done manually but is often very tedious and time - consuming . In comparison to the traditional BDBs , NDBs exhibit many differences in respect of the database contents , its ...
Page 20
... According to this result the join would produce some 15 records on products of after - shave lotion type that have been sold in TAHITI during 1984. Each record describes one product with one trademark , etc. According to the FD - set ...
... According to this result the join would produce some 15 records on products of after - shave lotion type that have been sold in TAHITI during 1984. Each record describes one product with one trademark , etc. According to the FD - set ...
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