多项选择题
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? （）
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?（）
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?（）