Dear data integration fans,
I’m a big fan of “appropriate” data modeling prior to doing any data integration work. For a number of folks out there that means the creation of an Enterprise Data Warehouse model in classical Bill Inmon style. Others prefer to use modern modeling techniques like Data Vault, created by Dan Linstedt. However, the largest group data warehouse architects use a technique called dimensional modeling championed by Ralph Kimball.
Using a modeling technique is very important since it brings structure to your data warehouse. The techniques used, when applied correctly of-course, are[Read more...]