Which two files must you copy from the Oracle home of the database that is being upgraded to the new Oracle home for Oracle Database 12c? (Choose three.)

Which two statements are true about the Database Configuration Assistant (DBCA)? (Choose two.)

You are managing an Oracle Database 12c database. 

The database is open, and you plan to perform Recovery Manager (RMAN) backups. 

Which three statements are true about these backups? (Choose three.)

Which three tools or tasks are run by default as part automated maintenance tasks? (Choose three.)

You plan to upgrade your Oracle Database 9i to Oracle Database 12c. 

Which two methods can you use? (Choose two.)

Examine the following command: 

SQL> DBMS_STATS. SET_TABLE_PREFS ('SH', 'CUSTOMERS', 'PUBLISH', 'false'); 

What is the effect of executing this command?

Which three statements are true about checkpointing? (Choose three.)

Your database instance has Automatic Memory Management enabled and supports shared server connections. 

Examine the following: 

1. Parallel execution messages and control structures 

2. Local variables for a process 

3. Security and resource usage information 

4. Runtime memory values, such as rows retrieved for a SQL statement using a serial execution plan 

5. SQL execution work areas 

Which option indicates what is allocated from the large pool in this instance?