试题详情
- 单项选择题 In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation. How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?（）
A、It collects data from SGA and compares it with a preserved snapshot.
B、It collects data from SGA, analyzes it, and provides a report.
C、It collects data from SGA and compares it with the latest snapshot.
D、It collects data from both SGA and PGA, analyzes it, and provides a report
- B
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