Oracle OCP 19c 认证1Z0-083考试题库(第15题)
Oracle OCP 19c 认证1Z0-083考试题库(第15题)-CUUG内部学员版083题库解析15、choose oneYou notice that the performance of your production 24x7 Oracle 12c database has significantly degraded. Sometimes, you are not able to connect to the database instance because it hangs.How can you detect the cause of the degraded performance?A. by performing emergency monitoring using Real-Time Automatic Database Diagnostic Monitor (ADDM) to fetch data directly from SGA for analysisB. by running ADDM to fetch information from the latest Automatic Workload Repository (AWR) snapshotsC. by using Active Session History (ASH) data and performing hang analysisD. by running ADDM in diagnostic mode
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