Which three are true about Optimizer Statistics Advisor? (Choose three.)
Unified auditing is enabled in your database. The HR_ADMIN and OE_ADMIN roles exist and are granted system privileges. You execute the command: SQL>CREATE AUDIT POLICY table_aud PRIVILEGES CREATE ANY TABLE, DROP ANY TABLE ROLES hr_admin,oe_admin; Which statement is true?
Choose the best answer. Examine this configuration: 1. CDB1 is a container database. 2. APP_ROOT is an application root in CDB1. 3. APP_PDB1 is an application PDB in APP_ROOT. 4. FLASHBACK DATABASE is ON. You execute these commands: $ sqlplus sys/orac1e_4U@localhost:1521/cdb1 SQL> SELECT current_scn FROM v$database; CURRENT_SCN -----------------------2074756 SQL> CREATE TABLE cdb1_tab(c1 NUMBER) ; Table created. SQL> ALTER SESSION SET CONTAINER=app_root; Session altered. SQL> CREATE TABLE app_root_tab (c1 NUMBER) ; Table created. SQL> ALTER SESSION SET CONTAINER=app_pdb1; Session altered. SQL> CREATE TABLE app_pdb1_tab (c1 NUMBER) ; Table created. SQL> conn / as sysdba Connected. SQL> ALTER PLUGGABLE DATABASE app_root CLOSE; Pluggable database altered. SQL> FLASHBACK PLUGGABLE DATABASE app_root TO SCN 2074756; Flashback complete. Which table or set of tables will exist after the Flashback operation has completed?
Choose two. Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance?