December 2017
Intermediate to advanced
434 pages
10h 14m
English
Content preview from SQL Server 2017 Administrator's Guide
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Data Quality Services
Data Quality Services (DQS) is a technology providing you with a way to deduplicate and correct data that originates from several sources. Actually, DQS is not a service installed within SQL Server installer, but it's created by an independent application.
The SSIS package has a special control flow task called DQS cleansing task, which is used when some a DQS knowledge base (set of rules created by the data steward) has to be used for data cleansing before the data is written to a target.
Using SSIS, MDS and DQS is complex discipline behind topics covered by this book. The only information needed is that described ETL technologies are more like standalone applications using SQL Server databases.
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