Free Access Oracle.1Z0-083.v2022-02-19.q163 Practice Test (Page 27)

Question 126

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

A.CDB1_TAB and APP_ROOT_TAB

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

C.CDB1_TAB and APP_PDB1_TAB

D.CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB

E.CDB1_TAB only

Question 127

Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

A.Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.

B.Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.

C.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.

D.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.

E.Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.

Question 128

Which two are true about the execution of operating system scripts starting from Oracle Database 19c?

A.The root password cannot be specified in a response file.

B.The sudo password can be specified in a response file.

C.root.sh can be executed automatically by the Database installer only by using sudo credentials.

D.The sudo password must be specified in a response file.

E.orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.

F.root.sh can be executed automatically by the Database installer only if it is provided with root credentials.

Question 129

Which two are true about the SQL Tuning Advisor?

A.It prevents performance regressions for SQL statements when changes are made.

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

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

D.It can recommend semantic changes to SQL statements.

E.It only recommends syntactic changes to SQL statements.

Question 130

Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.)

A.By default, the transported database will use Oracle Managed Files (OMF)

B.Data files can be converted on the destination system.

C.Data files can be converted on the source system.

D.A new DBID is automatically created for the transported database.

E.Databases can be transported between systems with different endian formats.

F.The password file is automatically converted by RMAN.

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Question 126

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Question 128

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