A.It sets all user tablespaces to "read-only" before starting the upgrade.

B.It increases tablespace size, if required, to meet upgrade requirements.

C.It recompiles all stored PL/SQL code by using utlrp.sql.

D.It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles

E.It empties the RECYCLE BIN.

F.It performs prerequisite checks to verify if the Oracle database is ready for upgrade.

A.Use the SQL Access Advisor for each of the regressed statements.

B.Use The SQL Tuning Advisor for each of the regressed statements.

C.Create an adaptive execution plan for each of the regressed statements

D.Create SQL plan directives for each of the regressed statements.

A.BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;

B.BACKUP SPFILE SECTION SIZE 1M;

C.BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;

D.BACKUP TABLESPACE "TEMP" SECTION SIZE 10M;

E.BACKUP INCREMENTAL LEVEL 0 TABLESPACE SYSAUX SECTION SIZE 100M;

F.BACKUP ARCHIVELOG ALL SECTION SIZE 25M;

G.BACKUP TABLESPACE "UNDO" INCLUDE CURRENT CONTROLFILE SECTION SIZE 100M;

A.the location of Oracle Net Services configuration files

B.default directories for temporary files used by temporary tablespaces

C.the maximum number of database files that can be opened by a database instance

D.the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM) instance at startup

E.the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configuration files.

F.the temporary disk space used by Oracle Installer during installation

A.After an application upgrade, the application container's PDBs are automatically synchronized with the application root clone.

B.The upgrade can be performed when connected either to CDB$ROOT or to PDB$SEED.

C.An application name and version number must be specified to upgrade the application.

D.After an application upgrade, the application container's PDBs remain synchronized with the existing application root.

E.The upgrade must be performed when connected to CDB$ROOT.

F.An application root clone gets created automatically.