Which of the following is presented as a limitation of using Row Access Policies?

• A. Future grants cannot be used with row access policies
• B. Database objects protected by a row access policy can be used with the Search Optimization Services
• C. Snowflake does not support using external tables as a mapping table in a row access policy
• D. Snowflake does not support attaching a row access policy to the stream object itself

Answer: (A)

Row-based filtering is applied by binding a policy to a specific table or view, so the policy isn’t automatically applied to objects created in the future. The limitation here is that you can’t use a future-grants mechanism to automatically attach a row access policy to new objects as they are created. Future grants pertain to privileges on future objects, not to the automatic binding of row access policies, so you must explicitly attach the policy to each new table or view (or set up an automated process to do so). The other options describe capabilities or scenarios that aren’t the limiting factor being highlighted.