You have created a baseline metric, DISK_IO_BL, for the disk I/O metrics in your PROD database and you have been getting notifications whenever the database performance degrades. You optimize the database I/O to gain the performance and you decide to remove the baseline metrics. Which method would you use to remove the DISK_IO_BL baseline metrics?()
- AThe baseline, once created, cannot be removed.
- BDisable the baseline metrics in the Database Control Manage Metrics page.
- CThe baseline will be automatically removed once the database performance has been optimized.
- DDrop the baseline metrics by usingDBMS_WORKLOAD_REPOSITORY.DROP_BASELINE procedure.