By Pete Stiglich Introduces the Fact Qualifier Matrix (FQM) as a technique for validating that dimension conformance and grain are consistent across multiple fact tables.…
Ignoring Your Customer
By W H Inmon In the early days of data warehousing, I was invited to talk to a CEO and a CIO at a well-known…
Data Architecture – The Differences
By By W H Inmon Classical data architecture is dominated by structured data. Structured data was the first type of data that people had to…
Is the Data Warehouse centralized?
By W H Inmon Lately, people have been claiming that a data warehouse is of necessity centralized in a single location or on a single…
Big Data as an Archival Platform
By Pete Stiglich Explores using big data platforms as a more flexible archive approach than tapes or traditional warehouses. Operational systems purge data to meet…
Big Data Security
By Pete Stiglich Presents security as a vertical concern across the entire big data stack, not an afterthought. It notes that many big data ecosystems…