The case for building a data warehouse

Unfortunately, IT shops in many organizations lack data warehousing expertise because they have deployed existing IT staff resources to address operational source systems and enterprise resource planning (ERP) systems. Because many strategic business solutions depend heavily on a solid data warehouse foundation, many organizations will find themselves lagging behind or out of business, if they do not implement a data warehouse. The paper discusses the benefits and disadvantages of data warehousing. It considers the keys to implementation success along with a few real world examples.