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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?()

单选题
2022-05-09 04:29
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
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正确答案
B

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