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Microsoft® SQL Server 2012 Unleashed by Alex T. Silverstein, Chris Gallelli, Paul T. Bertucci, Ray Rankins

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Domain Integrity

Domain integrity controls the validation of values for a column. You can use domain integrity to enforce the type, format, and possible values of data stored in a column. SQL Server provides several mechanisms to enforce domain integrity:

Image You can control the type of data stored in a column by assigning a data type to the column.

Image You can use CHECK constraints and rules to control the format of the data.

Image You can control the range ...

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