??? Someone in the organization understands what is in the source databases, the
quality of the data, and where to find items of business interest.
??? Extractions from operational sources can be built and discarded as needed, with
no records left behind.
??? Summary data is going to be adequate, and detailed data can be left out.
??? IT has all the skills available to manage and develop all the necessary extraction
routines, tune the database(s), maintain the systems and the network, and perform
backups and recoveries in a reasonable time frame.
??? Development is possible without continuous feedback and periodic prototyping
involving analysts and possibly sponsoring executives.
??? The warehouse won??™t change over time, so ???versioning??? won??™t be an issue.
??? Analysts will have all the skills needed to make full use of the infrastructure or
the business intelligence tools.
??? IT can control what tools the analysts select and use.
??? The number of users is known and predictable.
??? The kinds of queries are known and predictable.
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