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Best online resource for Data Warehousing Basics Tutorial Tutorials. Interact with other DW-BI professionals in our new DW-BI Forum. At Tutorial Blogs we value your opinion - Please Respond- Click Here. Data Warehousing and Data Mining. Dimensional modeling in a Business Intelligence Environment. Operational System and Data Warehouse. As told by Ralph Kimballs in -The Datawarehouse Toolkit.

Sunday, July 18, 2010. 2 Change data capture system. Source log file readers, source date and sequence number filters, and CRC-based record comparison in ETL system.

Hadoop is a large-scale distributed batch processing infrastructure. While it can be used on a single machine, its true power lies in its ability to scale to hundreds or thousands of computers, each with several processor cores. Hadoop is also designed to efficiently distribute large amounts of work across a set of machines. How large an amount of work? Challenges at Large Scale. To be successful, a large-scale distributed system must be able to manage the above mentioned resources efficiently.

This blog intends to be a one-stop shop for anyone intending to learn the data warehousing concepts and informatica in a simple and yet efficient way. U can also find links for Interview questions, Certification details and papers, and job openings.