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Katie and Emil

We are Katie & Emil and together we have decided to learn more & more on how to build data warehouses using Microsoft products. The best option to learn is to teach so we write tutorials and share it with others.


You can enforce referential integrity (ensure you don't get orphans) by adding Foreign Key Constraint and in this tutorial you can find a simple example explaining how to do that. This article has been created to support our SQL Tutorial and 70-461 Querying SQL Server 2012.


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