Online Access Free Oracle.1Z0-083.v2024-11-04.q291 Practice Test (Page 50)

1Z0-083 Exam Question 241

Which four are true about performance-related Oracle tools?

A.SQL Performance Analyzer can identify regressed SQL statements.

B.Database Replay always uses one replay client for each original database session.

C.Database Replay always uses one replay client for all the original database sessions.

D.The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two non-consecutive periods.

E.SQL Performance Analyzer can suggest schema changes.

F.The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two consecutive periods.

G.The Active Session History (ASH) report is based on wait event samples.

1Z0-083 Exam Question 242

Examine this configuration:
19.CDB1is a container database.
20.APP_ROOTis an application root in CDB1.
21.APP_PDB1is an application PDB in APP_ROOT.
22.FLASHBACK DATABASEis ON.
You execute these commands:

Which table or set of tables will exist after the Flashback operation has completed?

A.CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB

B.CDB1_TAB and APP_PDB1_TAB

C.none of the tables, because all three tables will be dropped

D.CDB1_TAB only

E.CDB1_TAB and APP_ROOT_TAB

1Z0-083 Exam Question 243

Which three are true about the SQL Tuning Advisor? (Choose three.)

A.It only recommends syntactic changes to SQL statements.

B.It checks each query being analyzed for missing statistics.

C.It checks each query being analyzed for stale statistics.

D.It can recommend semantic changes to SQL statements.

E.It considers all SQL statements being analyzed by the advisor task as a group.

F.It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

1Z0-083 Exam Question 244

Your container database, CDB1 has an application container, HR_ROOT, with an application PDB, HR_PDB1.
You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT Which two are always true?

A.CDB1 and CDB2 must be In shared undo mode.

B.A common user must exist in CDB2 with the create pluggable database privilege.

C.The HR_PDB1 clone created in CDB2 will be in mount state when cloning ends.

D.All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.

E.Cloning HR_ROOT automatically clones HR_PDB1.

1Z0-083 Exam Question 245

Which four are true about performing Tablespace Point -In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?

A.It can be performed using anauxiliary instance managed by a DBA.

B.It can be used to recover a truncated table.

C.RMAN always includes tablespaces containing undo segments in the recovery set.

D.It can be performed repeatedly until the correct time is found without using an RMAN catalog.

E.It can be performed using an auxiliary instance managed by RMAN.

F.It can be used to recover a dropped tablespace.

G.flashback database must be enabled for it to work.

H.RMAN automatically adds any required tablespaces to the recovery set to make it self-contained.

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1Z0-083 Exam Question 241

1Z0-083 Exam Question 242

1Z0-083 Exam Question 243

1Z0-083 Exam Question 244

1Z0-083 Exam Question 245

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