Home » Archives for July 2010

Month: July 2010

Look, Ma. No ETL

One of the first things you learn about in business intelligence is ETL. Raw data gets harvested, washed and served. But Sandy Steier hadn’t heard. Sandy had been busy analyzing data. For years on Wall Street, he pored over mortgage-backed securities with a tool he and peers developed for themselves. He only learned of ETL …

Read more