Articles

Technical Article

RegexClean Transformation

Use the power of regular expressions to cleanse your data right there inside the Data Flow. This transformation includes a full user interface for simple configuration, as well as advanced features such as error output configuration. Two regular expressions are used, a match expression and a replace expression. The transformation is designed around the named capture groups or match groups, and even supports multiple expressions.

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2012-08-03

3,279 reads

External Article

Issues Determining an Individual SQL Server User's Permissions

Recently I was supporting a third party application. It queries to determine what tables it has permissions to before it proceeds with the rest of its functionality. We had implemented permissions based on the best practice of creating roles, assigning the permissions to the roles, and then making the users members of the roles. The application was querying INFORMATION_SCHEMA.TABLE_PRIVILEGES and of course didn't find any permissions directly against the user in question. We ended up granting explicit permissions to the user so the application would work, but I'm more interested in the general case. How can I determine permissions for an individual user?

2012-08-02

3,152 reads

Technical Article

An Introduction to SQL Server Service Broker

Service Broker is a technology built into SQL Server and utilized by the engine for its internal asynchronous processing. The great thing about Service Broker is that its functionality is exposed so we can build our own custom data integrations. Deanna Dicken introduces you to the concepts needed to create a service broker integration.

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2012-07-30

3,492 reads

Technical Article

Data Generator Source Adapter

This component needs little explanation. It generates random integer (DT_I4) and string (DT_WSTR) data and places them in the pipeline. You specify how many columns of each you would like and for any string columns you pass a fixed length value. You then need to specify how many rows in total you require to be generated. This component is used by us to do testing of the pipeline and components downstream.

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2012-07-27

2,236 reads

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Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code:

select bit_count('A')
What is returned?

See possible answers