User Charge Estimation in Numeric Online Databases: A Methodology |
From inside the book
Results 1-3 of 14
Page 33
... transferred by queries between the central and secondary storages , and by block - transfer time ( in milliseconds ) required by the block transfer . Parts I , II and III have their own page numbers and references . The reference list ...
... transferred by queries between the central and secondary storages , and by block - transfer time ( in milliseconds ) required by the block transfer . Parts I , II and III have their own page numbers and references . The reference list ...
Page 13
... transfer counts or file access times requires a description of block- and access - related features of the hw / sw environment of the DBMS , e.g. block sizes , data transfer rates and the seek times of disk units . Such data can then be ...
... transfer counts or file access times requires a description of block- and access - related features of the hw / sw environment of the DBMS , e.g. block sizes , data transfer rates and the seek times of disk units . Such data can then be ...
Page 14
A Methodology Kalervo Järvelin. - nr , the net data transfer rate for bulk transfer ( in bytes per millisecond ) -1 , the track length of the disk unit ( in bytes ) - t , the number of tracks per cylinder in the disk unit - c , the ...
A Methodology Kalervo Järvelin. - nr , the net data transfer rate for bulk transfer ( in bytes per millisecond ) -1 , the track length of the disk unit ( in bytes ) - t , the number of tracks per cylinder in the disk unit - c , the ...
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