The probes monitor all database transactions, including those of privileged users, at the operating system kernel level without relying on database audit logs.
探测器在操作系统内核级上监视所有数据库事务,包括特权用户的事务,而不依赖于数据库审计日志。
You usually need this level of detail for specialized purposes; such as performance measurements, transaction audit trails, or transactions that take less than a second.
对于专门的目的,通常需要这个细节级别;比如性能测量、事务审计跟踪或者小于一秒的事务。
As the figure shows, the audit facility operates at the instance level servicing all databases in the instance.
如图所示,审计功能运行在实例级,为实例中的所有数据库服务。
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