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Multidimensional Data Cubes with EFEU and PostgreSQL

By Ewald Geschwinde and Hans-Juergen Schoenig
Dec 28, 2001
Sample Chapter is provided courtesy of Sams

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Ewald GeschwindeHans-Juergen Schoenig

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This chapter is from the book
PostgreSQL Developer's Handbook

Especially for data warehousing, a relational database is just not enough. Generating multidimensional datacubes can hardly be done by using plain SQL code, and so additional software has to be used to perform all necessary operations. The EFEU package by Erich Fruehstueck is a free alternative to things like OLAP, and can be used in combination with PostgreSQL. This article is derived from the authors' forthcoming book, PostgreSQL Developer's Handbook(Sams, 2001, ISBN: 0672322609).

Conclusion

EFEU has a lot of powerful features, and supports a huge pool of functions for processing data cubes. In addition to that, esh provides a lot of functions for dealing with PostgreSQL databases and processing text by generating LaTex code.

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