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Which two statements about Automatic Data Optimization (ADO) are true?
ADO policies can automatically compress data when it qualifies.
ADO policies can automatically move segments when necessary.
ADO is not dependent on Heat Map, and works even if Heat Map is disabled.
You cannot compress at block level, but you can compress at segment level.
You can compress at row level only for QUERY LOW.
Which three tasks can you perform in Database Express?
View performance and status information about the database instance.
Start up the database.
Shut down the database.
Create database structures.
Manage users and security.
Real-Time ADDM detects a high-load performance issue within the database. Which condition triggered it?
The average active sessions were more than three times the number of CPU cores.
Active sessions were more than 10% of total load and CPU utilization was more than 50%.
Memory allocations were more than 95% of physical memory.
Hung sessions were more than 10% of total sessions.
A deadlock was detected.
The session limit was close to 100%.