Sunday, 4 September 2011

Build A Data Warehouse With ETL Tools

To populate a data warehouse with up-to-date records extracted from operational sources, exceptional tools are hired, called ETL tools, which establish the footsteps of the entire business process as a workflow. To provide a overall impression of the functionality of these workflows reference to their most important feature, which comprise

• Identification of appropriate info at the source side
• Extraction of the data from large storage
• Transport of the data to the Data Staging Area
• Transformation, of the data approaching from various sources into a joint data format
• Cleansing of the resultant data set, on the basis of record and business rules Read More

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