A. Advising on block checksum failuresB. Advising on in……

单项选择题What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?（）

A. It fails with the ORA-665610 Invalid DDL statement on history-tracked message
B. The rows in the table are truncated without being archived.
C. The rows in the table are archived, and then truncated.
D. The rows in both the table and the archive are truncated.

多项选择题A redaction policy was added to the SAL column of the SCOTT.EMP table: All users have their default set of system privileges. For which three situations will data not be redacted?（）

A. SYS sessions, regardless of the roles that are set in the session
B. SYSTEM sessions, regardless of the roles that are set in the session
C. SCOTT sessions, only if the MGR role is set in the session
D. SCOTT sessions, only if the MGR role is granted to SCOTT
E. SCOTT sessions, because he is the owner of the table
F. SYSTEM session, only if the MGR role is set in the session

多项选择题You enabled an audit policy by issuing the following statements: SQL> AUDIT POLICY ORA_DATABASE_PARAMETER BY SCOTT; SQL> AUDIT POLICY ORA_DATABASE_PARAMETER BY SYS, SYSTEM; For which database users and for which executions is the audit policy now active? （）

A. SYS, SYSTEM
B. SCOTT
C. Only for successful executions
D. Only for failed executions
E. Both successful and failed executions

多项选择题Examine the details of the Top 5 Timed Events in the following Automatic Workloads Repository (AWR)report:What are three possible causes for the latch-related wait events?（）

A. The size of the shared pool is too small.
B. Cursors are not being shared.
C. A large number COMMITS are being performed.
D. There are frequent logons and logoffs.
E. The buffers are being read into the buffer cache, but some other session is changing the buffers.

单项选择题You are connected using SQL* Plus to a multitenant container database (CDB) with SYSDBA privilegesand execute the following sequence statements:What is the result of the last SET CONTAINER statement and why is it so?（）

A. It succeeds because the PDB_ADMIN user has the required privileges.
B. It fails because common users are unable to use the SET CONTAINER statement.
C. It fails because local users are unable to use the SET CONTAINER statement.
D. If fails because the SET CONTAINER statement cannot be used with PDB$SEED as the target pluggable database (PDB).