newid() inside sql server function

Question

I have to insert a fake column at the result of a query, which is the return value of a table-value function. This column data type must be unique-identifier. The best way (

Answer 1

use it as a default instead

create table test(id uniqueidentifier default newsequentialid(),id2 int)

insert test(id2) values(1)

select * from test

NB I used newsequentialid() instead of newid() since newid() will cause pagesplits since it is not sequential, see here: Some Simple Code To Show The Difference Between Newid And Newsequentialid