YOU ALWAYS ALLOW 50 UNICODE CHARACTERS FOR NAMES OF PEOPLE, AND YO...

18. You always allow 50 Unicode characters for names of people, and you never allow names to be null. You wish to create a user-defined data type that will be used whenever a person’s name must be stored. How should you create the data type?A. CREATE TYPE PersonName { FROM varchar(50) NOT NULL }B. CREATE TYPE PersonName { FROM nvarchar(50) NOT NULL }C. CREATE TYPE PersonName { FOR varchar(50) NOT NULL }D. CREATE TYPE PersonName { FROM nvarchar(50)}