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SQL Server Integration Services (SSIS) – Part 37 – Aggregate (MINIMUM) Transformations Control in SSIS

 

This is part 36 of the series of article on SSIS. In this article we are going to see on how to use an Aggregate (Minimum) data flow transformation control in SSIS packaging.

Introduction:

In this article we are going to see on how to use an Aggregate (Minimum) data flow transformation control in SSIS packaging. With this function operation we can get a number which is a minimum of a column. To start with this we should have the column to be of integer data type as specified in order to get the minimum. Let’s jump into to the example on how to use this control in real time.

You can look into my series of article on SSIS at the url - http://f5debug.net/tutorial/ssis.aspx

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Steps:

Follow steps 1 to 3 on my first article to open the BIDS project and select the right project to work on integration services project. Once the project is created, we will see on how to use an aggregate control for getting the Minimum number in a particular column.

Here we will see on the Minimum operation in the aggregate control. I have added an OLEDB connection which fetches the data from the database upon which we are going to do get the minimum of the rows and then pass it to a file destination as shown in the below screen

clip_image001

Here last 2 controls shows a red mark inside the control indicating that the control is not configured. We step forward and configure the same. Now double click on the Aggregate function will open a pop-up windows as shown in the below screen

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Here we are selecting the columns on which we need a minimum as shown in the screen. And after selecting the numbers of columns for getting the minimum number now click on the OK button to get configured. Now configure the Flat File Destination as shown in the below screen.

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Once everything is configured your screen will look as shown in the below screen

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Now Hit F5 will run the application and show the output as shown in the below screen

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Here the numbers of rows are indicated at the bottom of the each control as shown in the above screen. And finally the results (Minimum number in a column) are loaded to flat file destination which looks like below

clip_image006

Conclusion:

So in this article we have seen on how to get a minimum number in a row using an Aggregate function transformation in data flow tab.

About Author: Karthikeyan Anbarasan, Microsoft MVP (Most Valuable Professional) in ASP.NET/IIS Architecture. He is the Founder and Chief Editor of the www.f5debug.net website and has authored books on Windows Phone and Business Intelligence(SSIS). He is also a Passionate Speaker and a Blogger on Microsoft Technologies.

You can Join Me On: Facebook, Twitter, Google Plus, LinkedIn

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