A Brief History of ETL – Bill Inmon
It’s Bill Inmon, the father of data warehousing, talking about the history ETL. Must Read. An article with lots of vintage value.
On March 15, 1995, Prism Solutions went public on the NASDAQ exchange (PRSM). And then, there were even more competitors that entered the market space. One entrant was Ab Initio. Ab Initio specialized in the movement of very large amounts of data.
In a related space was enterprise application integration (EAI). EAI has many of the capabilities of a data warehouse extract, transform and load (ETL) tool when it comes to moving data about the corporation. However, EAI falls short when it comes to handling transformation and metadata management. Nevertheless, there is some degree of overlap between the worlds of ETL and EAI.
[...] Bill Inmon writes on the virtual data warehouse. Interesting Read. Why then is the virtual data warehouse such a supremely bad idea? There are actually lots of reasons for the vacuity of virtue manifested by the virtual data warehouse. Some of those reasons are: [...]
The Elusive Virtual Data Warehouse | The Business Intelligence Blog
22 Mar 09 at 7:17 am