New Online Course for General Training on The Usage of DQS

Hello everyone, We’ve recently published a new online course via edX to provide general training on the usage of DQS.  In this course, you’ll learn why your data needs cleansing, the capabilities and features of DQS, what DQS solution looks like, and how data cleansing integrates with SSIS data flow. Please check it out and let…

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Configuring SSIS DQS Domain Value Import

In the previous blog article, I described how to use the free SSIS DQS Domain Value Import from OH22 data to automate importing values into a DQS Knowledge Base domain. In this article, I will go over the optional configuration to import invalid/error value types as well as to set synonyms. First, let’s quickly recap the domain…

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Automating DQS Domain Value Import

There are times when you may want to update a DQS Knowledge Base through an automated process. For example, you add new products in your ERP system and you would like to make sure the new product names are added to DQS Knowledge Base automatically. A free codeplex project, SSIS DQS Domain Value Import, from OH22…

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Matching related and duplicate Customer Records using SQL Server Data Quality Services (DQS)

SQL Server Data Quality Services (DQS) enables you to match records using your matching rules defined in DQS Knowledge Base. There are two common use cases where you would like to match related records. One is to identify duplicate in your records, such as same customers appear as separate records in your dataset. Another common…

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Cleansing Customer Data Using Data Quality Services (DQS)

SQL Server 2012 Data Quality Services (DQS) enables you to cleanse data using your own Knowledge Base. In this blog article, I am going to show how to create a simple Knowledge Base which you can use to cleanse your customer data. The steps for using DQS to cleanse data is as follows: A. Create…

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Cleansing your Customer Data using Dun & Bradstreet DQS service

Starting today you can use SQL Server Data Quality Service (DQS) to cleanse data using Dun & Bradstreet (D&B) extensive business information data. This is done using DQS Reference Data Service (RDS) functionality. You can subscribe to the D&B Company Cleanse & Match for Microsoft SQL Server Data Quality Service from Windows Azure Marketplace, then…

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Languages supported by DQS for Cleansing and Matching

Data Quality Services (DQS) internally stores the domain values in a knowledge base in the Unicode format, and uses the trigram algorithm, which is language agnostic, to compare the domain values with your source data for the cleansing and matching operations. Therefore, you can practically use DQS to cleanse and match data in all the…

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Upgrading DQS to SQL Server 2012 Service Pack 1 (SP1) Release

This post provides information about the Data Quality Services (DQS) improvements in the SQL Server 2012 Service Pack 1 (SP1) release, and step-by-step instructions to upgrade your current installation of DQS to the SP1 release. The steps to upgrade from the SQL Server 2012 RTM or any of the cumulative update (CU) releases to the SP1 release…

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Pattern Matching in DQS Domain Rules

This post provides you information on how to use the pattern matching rules in DQS while creating domain rules. These are the four pattern matching rules in DQS:  For a pattern matching rule: Any  letter (A…Z)  can be used as a pattern for any letter; case insensitive Any digit (0…9) can be used as a…

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Excessive database growth issue fixed in DQS in the CU2 Release for SQL Server 2012

The Cumulative Update 2 (CU2) release for SQL Server 2012 is out, and it fixes a DQS issue where the DQS_PROJECTS database use to grow excessively during the knowledge discovery or the cleansing activity. For detailed information about this issue, see http://support.microsoft.com/kb/2685743. You can download and install CU2 release from here: http://support.microsoft.com/kb/2703275. Note: Before installing…

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