1z0-083 Exam Dumps - Oracle Database 19c Questions and Answers

It analyzes a period of time corresponding to the 12 hours of activity.

It runs automatically after each AWR snapshot.

A DBA can run it manually.

Results are written to the alert log.

It analyzes a period of time corresponding to the last day of activity.

poorly trained users who do not commit transactions

the number of tablespaces containing tables updated by a transaction

issuing multiple savepoints during a transaction

the number of data files containing extents belonging to tables updated by a transaction

poorly written SQL

user-managed backups of data files and control files

flashback logs

RMAN backups that are obsolete

archived redo log files that have multiple copies in a different archive location

Pre-existing backups of the database to be duplicated are required for the "push" method of duplication.

Pre-existing backups of the database to be duplicated are required for the "pull" method of duplication.

Pre-existing backups of the database to be duplicated are always used if they exist.

Image copies can be used to duplicate the active database.

The active database must be duplicated while in OPEN state.

No connection to the recovery catalog is required for active database duplication.

Backup sets can be used to duplicate the active database.

converting an application seed to an application PDB

converting a regular PDB to an application PDB

converting an application PDB to an application root

copying an application container into another application container in the same CDB

copying an application container into another application container in a different CDB

converting an application PDB to an application seed G) converting an application PDB to a regular PDB

A backup set may be duplexed with both copies written to disk.

An image copy on disk can be copied to disk.

A backup set may be duplexed with both copies written to sbt.

A backup set may be duplexed so that one copy is written to sbt and the other to disk.

An image copy on disk can be copied to sbt.

An image copy on sbt can be copied to disk.

It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used.

It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.

A Virtual Private Catalog used to register a container database must be created in a pluggable database.

A Virtual Private Catalog used to register a container database can be created in a pluggable database.

It is always possible for RMAN to connect to a pluggable database as a target.

A Virtual Private Catalog used to register a container database can be created in a non-container database.

A Lockdown profile created from a base Lockdown profile is always automatically modified if the profile on which it is based is modified.

A PDB Lockdown profile can be created in an application root.

A Lockdown profile created from a base Lockdown profile is never automatically modified if the profile on which it is based is modified.

A PDB Lockdown profile can be created in a regular PDB.

A PDB Lockdown profile can be created in CDB$ROOT .

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

It can be performed using an auxiliary instance managed by a DBA.

It can be used to recover a truncated table.

It can be performed repeatedly until the correct time is found without using an RMAN catalog. E)RMAN always includes tablespaces containing UNDO segments in the recovery set.

RMAN automatically adds any required tablespaces to the recovery set to make it selfcontained. G) FLASHBACK DATABASE must be enabled for it to work. H) It can be used to recover a dropped

tablespace.

All metrics are instance related.

Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.

A space usage management alert is automatically cleared after the underlying problem is resolved

They are generated by SMON when a tablespace is 97% full.

Metrics are statistical counts for a specific unit.

STATISTICS_LEVEL must be set to ALL to generate alerts.