Data warehouse (DWH) environments have typically been the standard when it comes to supporting analytical environments. There can be many systems supporting a particular modeling or analytical group, and because these groups have varying requirements for data, the replicated data is maintained because the transition to new storage and computing
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The traditional data warehouse and Hadoop
Business rules: What do you need, and why do you need it?
When you hear the term “business rules,” what comes to mind? Some examples would be constraints in a query, a data mapping, a data quality constraint, a data transformation, a model or an algebraic equation. It can also be a policy that must be enforced as part of a business
Data integration: The changing nature of tools and experiences
When I first thought about writing a blog post about data management, picking a topic was an obvious, if daunting, first step. The challenges facing both IT and business are increasing in the era of bigger, more complex and more immediate data. My experience working with organizations across a variety