You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. 

Examine the table definition: Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table? (Choose three.)

Which three statements are true regarding the use of the Database Migration Assistant for Unicode (DMU)? (Choose three.)

Oracle Grid Infrastructure for a stand-alone server is installed on your production host before installing the Oracle Database server. 

The database and listener are configured by using Oracle Restart. Examine the following command and its output: 

$ crsctl config has CRS-4622: Oracle High Availability Services auto start is enabled. What does this imply?

You find this query being used in your Oracle 12c database: Which method a used by the optimizer to limit the rows being returned?

Which three resources might be prioritized between competing pluggable databases when creating a multitenant container database plan (CDB plan) using Oracle Database Resource Manager? (Choose three.)

You created an encrypted tablespace: You then closed the encryption wallet because you were advised that this is secure. 

Later in the day, you attempt to create the EMPLOYEES table in the SECURESPACE tablespace with the SALT option on the EMPLOYEE column. Which is true about the result?

On your Oracle Database, you issue the following commands to create indexes: 

SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customer_id, sales_rep_id) INVISIBLE; 

SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customer_id, sales_rep_id); 

Which two statements are true? (Choose two.)

In your multitenant container database (CDB) containing same pluggable databases (PDBs), you execute the following commands in the root container: 

Which two statements are true? (Choose two.)