July 2012
Intermediate to advanced
816 pages
27h 38m
English
Content preview from Programming Microsoft® SQL Server® 2012Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Integration Services
SSIS is Microsoft’s Extract, Transform, and Load (ETL) tool. It offers a rich development environment for taking source datasets and running them through various processes of sorting, filtering, reshaping, and testing, followed by deployment of the modified data to a destination.
ETL becomes useful in a number of scenarios. For example, automated, unattended processing of flat files into a database, or periodic replication of data from one transactional system to another. You can also use SSIS to run administrative tasks, for example database backups, processing of Analysis Services cubes, or even data quality checks, as discussed in the previous section.
But in the realm of BI, the primary use for ETL is the transfer of data ...
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