Which is a valid statement about the Row and Column Access Control (RCAC) feature?
A.
Users with SECADM authority are exempt from RCAC rules.
B.
The RCAC feature uses a subset of Label Based Access Control (LBAC) functionality.
C.
RCAC is a more powerful security mechanism than Label Based Access Control (LBAC).
D.
When a result set is restricted due to the RCAC rules defined on a table, no warnings or errors are returned.
When a table is activated for row or column access control, all users, including the table owner and the SECADM, SYSDM, or DBADM authorities, are subject to the same security rules and restrictions. This ensures that access to security-sensitive data is truly on a need basis and prevents system and database administrators from unnecessarily accessing it. Since security policies or rules are expressed and enforced through SQL, row and column access control is inherently flexible.
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