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by Burleson Consulting

The Data Warehouse Development Life Cycle

The Data Warehouse Team 

* Network Administrator--A network administrator is usually a network engineer whose job is to ensure that data is cleanly transported from the Oracle servers to the client platforms. For many distributed Oracle data warehouses, the scope of the data transport network may be worldwide and may also involve Web-based data delivery techniques. As such, a network administrator must be familiar with cross-domain data transport (i.e., LU6.2 with TCP/IP), and they must be able to ensure that the network does not become a bottleneck, especially when large amounts of data are transported to the clients.

* Oracle Developers--Oracle developers are the programmers who assist in the project by developing the data aggregation and data summarization programs for the data warehouse. These programmers should be well versed in all aspects of the Oracle database, as well as Oracle parallel query techniques. In addition, these programmers should be intimate with operating system language interfaces, including Tcl, Perl, OraPerl, C, and so on.

* Statistician--A statistician is the one member of the data warehouse development team that is assigned the task of translating the end-user data analysis requirements into an operational method. The statistician must be fluent in all areas of quantitative data analysis techniques, including multivariate analysis (chi square), forecasting, simulation, and hypothesis testing, as well as having an intimate knowledge of computer-based statistical packages, such as the Statistical Analysis System (SAS) or the Statistical Package for the Social Sciences (SPSS). The statistician will work closely with the data warehouse programmers to ensure that all data analysis requirements are met.

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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