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Channel: Paras Doshi - Blog » Knowledge base
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How to standardize data using Data Quality Services?

I was playing with Data Quality Services when I though that it would be nice if I could implement what I had learned and create a quick demo that shows how to standardize data using the technology. So...

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How to detect unrealistic or invalid values using Data Quality Services?

When you see a price of an item as -10 (negative 10) – you know it’s not right! It’s BAD data! When you see some person’s height as 120 inches (10ft!) – you know that’s just not true! Again, BAD data!...

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Difference between Term based relations and Domain values in SQL server 2012...

In data quality services, a knowledge base (KB) consists of domains. And domains has: domain rules, term based relations, domain values and reference data. So, what is the difference between Term Based...

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How to clean address records using third-party reference data-sets in Data...

In this post, we’ll see how to clean address records using third party reference data-sets in Data Quality Services. You need to perform following steps to do so Note that they are not step by step...

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How to clean data using Regular Expressions in Data Quality Services?

In this blog – post, I’ll share a quick demo of how you can use Regular Expressions in Data Quality services to clean records. For the purpose of the demo, I’ll show how to clean perform a preliminary...

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SQL Server 2012 Data Quality Services Term based Relation’s in action!

In data quality services, a knowledge base (KB) consists of domains. And domains has: domain rules, term based relations, domain values and reference data. In this post, we’ll see a use case of Term...

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Data Quality Service’s Composite Domains in action!

In this post, I’ll show you how composite domains can help you create cross domain rules in Data Quality Services. Scenario: You have a data set of employee name, employee category and yearly salary....

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Data Profiling and SQL Server 2012 Data Quality Services

Data Profiling in Data Quality Services happens at following stages: 1) While performing Knowledge Discovery activity 1A: In the Discover step: 1b. Also in the manage domain values step: While...

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Matching activity in Data Quality Services in action!

In this post, we’ll see matching activity in action. For the demo purpose, I’ll be using Data-Sets that I’ve found via Movies Sample & EIM tutorial . Situation 1: we’ve a list of movies and we want...

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Seven Demo’s for SQL Server 2012 Data Quality Services:

Here are the seven Demo’s that I had posted over the past few weeks, listing them here: Detecting invalid values in Price domain or unrealistic values in Height domain How to standardize data using DQS...

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