Creating user-defined datatype with IDENTITY property  Dropping a user-defined datatype

Chapter 6: Using and Creating Datatypes

Creating IDENTITY columns from user-defined datatypes

You can create IDENTITY columns from user-defined datatypes that do not have the IDENTITY property. The user-defined types must have a physical datatype of numeric or with a scale of 0, or any integer type, and must be defined as not null.





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