Which has the higher priority in your organization: Deploying a new database or securing the ones you already have?
Looking for a website, and resources, dedicated solely to securing Oracle databases? Check out DBSecWorx.
Assumes that a primary database and one or more Data Guard physical standby databases are deployed. The databases should be at least mounted or open before block comparison is run.
Logical standby databases, Far Sync instances, and cascaded standbys cannot be the target database.