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Software ==>	SSIS Integration Services (28 exercises)
Topic ==>	Lookup transforms (4 exercises)
Level ==>	Average difficulty
Subject ==>	SSIS training

Use a lookup transform and a cache transform to compare two near-identical Excel worksheets

This exercise is provided to allow potential course delegates to choose the correct Wise Owl Microsoft training course, and may not be reproduced in whole or in part in any format without the prior written consent of Wise Owl.

Before you can do this exercise, you'll need to download and unzip this file .

Open the Excel workbook in the above folder, and you should see that it contains two worksheets:

The Details column combines all of the other columns into a single value.

Your task is to list out the five rows in the original list which have been changed in the revised list, and see what they share in common. To do this, first create a package called Beyond the Pale. Here's what this package's control flow should do:

The control flow should consist of two data flow tasks: one to read the entire original list into a cache, and one to then look up the revised details against this cache.

Here's what the first data flow task could look like: