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Author Thomsen, Erik, 1959-

Title OLAP solutions : building multidimensional information systems / Erik Thomsen.

Imprint New York ; Chichester : Wiley, 2002.


Location Call No. OPAC Message Status
 Axe Books 24x7 IT E-Book  Electronic Book    ---  Available
Edition 2nd ed.
Description 1 online resource (xxiv, 661 pages [8] pages of plates) : illustrations (some color), maps
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Note Previous edition: 1997.
Bibliography Includes bibliographical references (pages 635-641) and index.
Contents The Need for Multidimensional Technology -- The Functional Requirements of OLAP Systems -- The Different Meanings of OLAP -- Where OLAP Is Useful -- The Distinction between Transaction and Decision Support Processing -- The Functional Requirements for OLAP -- The Limitations of Spreadsheets and SQL -- The Evolution of OLAP Functionality in Spreadsheets and SQL Databases -- Proving the Point: Some Examples -- Thinking Clearly in N Dimensions -- Lower-Dimensional Data Sets -- Beyond Three Dimensions -- Multidimensional Type Structures (MTSs) -- Representing Hypercubes on a Computer Screen -- Analytical Views -- Core Technology -- Introduction to the LC Model -- Disarray in the OLAP Space -- Attributes of an Ideal Model -- Overview of the Located Content Model -- The Internal Structure of a Dimension -- Nonhierarchical Structuring -- Dimensional Hierarchies -- Referencing Syntax -- Leveled or Symmetric Hierarchies -- Leveled Dimensions with Nominally Ordered Instances -- Leveled Dimensions with Ordinally Ordered Instances -- Leveled Dimensions with Cardinally Ordered Instances: Time and Space -- Constant Scaling Factors -- Multiple Hierarchies per Type -- Pseudolevels -- Mixed Hierarchies -- Hypercubes or Semantic Spaces -- Meaning and Sparsity -- Meaning and Comparability -- Multidimensional Formulas -- Formulas in a Multidimensional Context -- Multidimensional Formulas -- Links -- Types of Links -- Structure Tables and Links -- Data Tables and Content Links -- Preaggregation -- Analytic Visualization.
Summary OLAP enables users to access information from multidimensional data warehouses almost instantly, to view information in any way they like, and to cleanly specify and carry out sophisticated calculations. Although many commercial OLAP tools and products are now available, OLAP is still a difficult and complex technology to master.
Note Print version record.
Subject Decision support systems.
Database design.
System design.
OLAP technology.
BUSINESS & ECONOMICS -- Decision-Making & Problem Solving.
Database design. (OCoLC)fst00888032
Decision support systems. (OCoLC)fst00889080
OLAP technology. (OCoLC)fst01042593
System design. (OCoLC)fst01141401
Genre/Form Electronic books.
Other Form: Print version: Thomsen, Erik, 1959- OLAP solutions. 2nd ed. New York ; Chichester : Wiley, 2002 0471400300 (OCoLC)49350455
ISBN 0471266256 (electronic bk.)
9780471266259 (electronic bk.)
Standard No. AU@ 000062509410

Available items only