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Cubic Databases

Oracle Tips by Burleson Consulting

The Data Warehouse Development Life Cycle

Online Analytical Processing and Oracle

Simulation Of Cubic Databases (Dimensionality)

For an illustrative example, consider the sample customer table in Table 5.4.

Customer Name                   # Sales                YY-MM                   City                State
Bob Papaj & Assoc.                   300               97-01                NY                  NY
Mark Reulbach Inc.                   400                97-01               San Fran          CA
Rick Willoughby Co.                   120               97-02                NY                  NY
Kelvin Connor Co.                     300                97-02               San Fran          CA
Jame Gaston Inc.                     145                97-03                NY                  NY
Linda O’Dell Assoc.                   337                97-03                Fairport            NY
Rick Wahl & Assoc.                   134                97-03               San Fran           CA

Table 5.4 A sample customer table.

Let's take this data structure and assume that the table is physically stored in data order. We can imagine how this data might look as a cubic table by reviewing Figure 5.15.

Figure 5.15 Cubic representation of relational data.

Of course, the cubic representation would require data to be loaded into a multidimensional database or a spreadsheet that supports pivot tables. When considering an MDDB, two arguments emerge. Relational database vendors point out that MDDBs are proprietary, and -they feel that more open relational databases should be used. The MDDB vendors point out some serious inadequacies with SQL that make it very difficult to use a relational database.

This is an excerpt from "High Performance Data Warehousing". To learn more about Oracle, try "Oracle Tuning: The Definitive Reference", by Donald K. Burleson.  You can buy it direct from the publisher at 30% off here:


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