The Data Warehouse ETL Toolkit: Practical Techniques for Extracting, Cleanin
The Extract-Transform-Load (ETL) system is the foundation of the data
warehouse. A properly designed ETL system extracts data from the source
systems, enforces data quality and consistency standards, conforms data
so that separate sources can be used together, and finally delivers data
in a presentation-ready format so that...
Microsoft SQL Server 2012 with Hadoop
With the explosion of data, the open source Apache Hadoop ecosystem is gaining traction, thanks to its huge ecosystem that has arisen around the core functionalities of its distributed file system (HDFS) and Map Reduce. As of today, being able to have SQL Server talking to Hadoop has become increasingly important because the two are indeed...