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sp_addtype « System Functions « SQL Server / T-SQL Tutorial
SQL Server / T-SQL Tutorial
System Functions
sp_addtype
25.22.sp_addtype
25.22.1.
sp_addtype creates your own specific datatypes, including how the SQL Server will handle NULL values.
25.22.2.
User-Defined Datatypes
25.22.3.
execute sp_addtype id,'varchar(11)' ,'NOT NULL'