The Death of EII Redux

The Death of EII Redux

The recent EII – Dead on Arrival” article by Andy Hayler that appeared in DM Direct on February 25, 2005, lays out powerful arguments as to why enterprise information integration (EII) – the ability for a single business intelligence application to query inconsistent data source systems in order to generate answers to business questions, (what we’ll refer to as “querying on demand”) – will ultimately come up short as a general purpose business intelligence strategy and replacement for data warehouses.