MS SQL Server Row GUID Column

Question

I apologize for asking what seems like a tired question, but no forum response or documentation I\'ve read seems to provide an adequate answer.

What is the purpose o

Answer 1

It enables you to use the $ROWGUID variable instead of the column name. It's used mostly for merge replication. It doesn't force the GUID column for PK, you can only declare PKs explicitly. The answer to your last question is no, unless you plan on implementing Merge Replication.