Z dokumentacji technet ( http://msdn.microsoft.com/en-us/library/ms175007%28v=sql.105%29.aspx ) Creates an alias data type or a user-defined type in the current database. The implementation of an alias data type is based on a SQL Server native system type. A user-defined type is implemented through a class of an assembly in the Microsoft .NET Framework commonCzytaj dalej / Read more