dbo.Phone User Defined Data Type Properties Allow Identity Allow Nulls Base Typenvarchar Default Variable Length Length25 Max Size50 Numeric Precision0 Numeric scale0 Rule CollationSQL_Latin1_General_CP1_CI_AS Columns in which this object is used TableColumn NameDescription PersonPhonePhoneNumberTelephone number identification number. SQLCREATE TYPE [dbo].[Phone] FROM [nvarchar](25) NULL See AlsoRelated Objectsdbo Schema AdventureWorks Database