A.A filter is added to the table query dynamically using ROWNUM to limit the rows to 20 percent of the total rows

B.All the rows are returned to the client or middle tier but only the first 20 percent are returned to the screen or the application.

C.A view is created during execution and a filter on the view limits the rows to 20 percent of the total rows.

D.A TOP-N query is created to limit the rows to 20 percent of the total rows

A.The schema for the common user C # # A_ADMIN can be different in each container.

B.The command will create a user in the root container only because the container clause is not used.

C.Schema objects owned by the C# # A_ADMIN common user can be shared across all PDBs.

D.The command will, create a common user whose description is contained in the root and each PDB.

E.The C # # A_ADMIN user will be able to use the TEMP_TS temporary tablespace only in root.

A.A local GUEST_USER OS account should exist before GUEST_USER can log on to the database.

B.The authentication details for GUEST_USER are stored in the database password file.

C.GUEST_USER can log on to the database without specifying a username and password.

D.GUEST_USER is forced to change the password at the first login.

E.GUEST_USER can query the tables created in the USERS tablespace by default.

A.It fails because theDELETE INPUToption can be used only with theBACKUP
ASBACKUPSETcommand.

B.It executes successfully and creates a backup set of the database along with archived log files and then deletes the original archived logfiles.

C.It executed successfully and creates a copy of the database along with archive log files and then deletes the original archived log files.

D.It fails because theDELETE INPUToption can be used only with theBACKUP AS
COPYcommand.

A.listener configured by using NETCA

B.database service created by using SRVCTL

C.database created by using a SQL statement

D.database created by using DBCA

E.ASM instance created by using ASMCA

F.database service created by using DBMS_SERVICE.CREATE_SERVICE

G.database service created by modifying the SERVICE_NAMES initialization parameter