Michael Stonebraker: December 2007 Archives

Enterprises must integrate data in a number of operational systems. But how should they do it? There are two technical approaches: ETL or Federate. Michael Stonebraker discusses the pros and cons of each approach in regards to data element "heat," indexing, resource management, complexity of schema change, contention, timeliness, and mapping, concluding that the ETL approach makes sense in most cases. Continue reading "To ETL or federate ... that is the question" »