In my June column, we discussed the ugly duckling called an operational data store (ODS). Rather than discussing the conventional wisdom and, quite frankly, the confusion surrounding an ODS, we decided take a different approach. We followed the approach someone would take when introducing a product to market - first find out what the customer's needs are and then shape a product to meet that need (and maybe even anticipate future needs). We discussed four application areas where an ODS is used today:

Conventional wisdom doesn't always age like a fine wine. When it starts smelling like dirty socks, it's time to challenge it. Sometimes the conventional wisdom published in books, written in articles and presented in seminars is accepted as gospel, even when it starts to develop a distinctive odor. Examine conventional wisdom periodically to determine if it is current and relevant. This is particularly true when it comes to an ODS. The purposes and methods used for building the ODS may have changed dramatically over the years.

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