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Multidimensional Databases: Problems and Solutions - page 1
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Rafanelli M.
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Table of Contents
Table of Contents
BackCover
Multidimensional Databases--Problems and Solutions
Foreword
Preface
Chapter I: Basic Notions
THE MULTIDIMENSIONAL AGGREGATE DATA STRUCTURE
DIFFERENT USE OF MULTIDIMENSIONAL DATA: OLAP APPLICATIONS
MULTIDIMENSIONAL AGGREGATE DATA
REPRESENTING AND INTERPRETING NULLS IN MULTIDIMENSIONAL AGGREGATE DATA
GRAPH MODELS
REFERENCES
Chapter II: Multidimensionality in Statistical, OLAP, and Scientific Databases
SUMMARY DATABASES
SCIENTIFIC MULTIDIMENSIONAL DATABASES
REFERENCES
Chapter III: Conceptual Multidimensional Models
BACKGROUND AND TERMINOLOGY
A CONCEPTUAL MULTIDIMENSIONAL MODEL
AN OVERVIEW OF MULTIDIMENSIONAL DATA MODELS
FUTURE TRENDS AND CONCLUSIONS
REFERENCES
Chapter IV: Hierarchies
CHARACTERIZATION OF HIERARCHIES
CHARACTERIZATION OF OLAP OPERATORS ON HIERARCHIES
AN ENLARGEMENT OF OPERATORS FOR HIERARCHIES
CONCLUSIONS
REFERENCES
Chapter V: Operators for Multidimensional Aggregate Data
OPERATORS FOR MULTIDIMENSIONAL AGGREGATE DATA WHICH EXTEND RELATIONAL ALGEBRA AND RELATIONAL CALCULUS
OPERATORS FOR MULTIDIMENSIONAL AGGREGATE DATA DEFINED IN A TABULAR ENVIRONMENT
OPERATORS FOR OLAP APPLICATIONS
THE BASIC ALGEBRA FOR MULTIDIMENSIONAL AGGREGATE DATA
SUMMARIZATION
MACRO-UNION
MACRO-SELECT
RESTRICTION
RECLASSIFICATION
COMPARISON
ROLL-UP
GROUP-BY
DRILL-DOWN
PUSH
PULL
DATA CUBE
AGGREGATE FORMATION
AGGREGATION-BY-TEMPLATE
PACK
UNPACK
DIFFERENCE
DUPLICATE REMOVAL
SQL-LIKE AGGREGATION
JOIN
FOLD
UNFOLD
REFERENCES
Chapter VI: Time in Multidimensional Databases
EXAMPLE
BACKGROUND
THE TEMPORAL MULTIDIMENSIONAL MODEL
CONCLUSION
REFERENCES
ENDNOTES
Chapter VII: Dynamic Multidimensional Data Cubes
BACKGROUND
DATA CUBES FOR INVERTIBLE AGGREGATE OPERATORS
DATA CUBES FOR OTHER AGGREGATE OPERATORS
SPARSE DATA SETS
THE DATA CUBE OPERATOR CUBE
CONCLUSIONS AND FUTURE TRENDS
ACKNOWLEDGMENTS
REFERENCES
Chapter VIII: Materialized Views in Multidimensional Databases
MATERIALIZED VIEWS
MULTIDIMENSIONAL DATABASES
MAINTENANCE OF MATERIALIZED VIEWS
FINDING THE OPTIMAL SET OF MATERIALIZATIONS
COMMERCIAL SOLUTIONS
CONCLUSIONS
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Rafanelli M.
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