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

automatically dropping the database link to the remote database if it already exists

opening the cloned PDB

creating a new empty PDB in the local database from PDB$SEED

creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned

creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database

creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned

creating a database link from CDB$ROOT in the remote database to the PDB in the local database

defining primary keys for all tables to speed up all queries

using check constraints to speed up updates

defining foreign keys for all tables to speed up joins

the physical data model

the configuration of storage arrays

Tune individual SQL statements using the SQL Tuning Advisor.

Identify poorly tuned SQL statements using Automatic Database Diagnostic Monitor.

Test the application as a whole using tuned SQL statements.

Test tuned SQL statements one at a time for all statements in the application.

Identify poorly tuned SQL statements using the SQL Tuning Advisor.

Tune SQL statements as a group using the SQL Tuning and SQL Access Advisors.

It can contain a single application

Two application containers can share an application seed PDB.

It must have an application root PDB.

An application PDB can belong to multiple application containers.

It must have an application seed PDB.

It can contain multiple applications.

The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.

The database must be in MOUNT state when performing Database Point-in-Time Recovery.

Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)

The Database must be in ARCHIVE LOG mode.

The target point for the recovery must be specified as a stime or System Change Number (SCN).

The database must be open RESETLOGS after Database Point-in-Time Recovery.

an operating system user to own this installation

the Oracle Inventory group oinstall

an operating system account called grid

a group called dba

the installation of Oracle ASMLIB

The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode.

The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.

RMAN “pushes” the backups of the database to be duplicated over the network to the auxiliary instance.

The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVE LOG mode.

RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.

The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.

The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened.

DBMS_PDB.CHECK_PLUG_COMPATIBILITY can be run against a PDB archive.

They contain a PDB manifest file and all the data files in uncompressed form for a PDB.

They contain all the data files only in uncompressed form for a PDB.

They must be created using the DBMS_PDB package.

They contain a PDB manifest file and all the data files in compressed form for a PDB.

They contain all the data files only in compressed form for a PDB.

Create SQL plan directives for each of the regressed statements.

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

Create an adaptive execution plan for each of the regressed statements

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

The unified audit trail is written to a read-only table.

The unified audit trail is written to a read-only external file.

Audit records are created for COMMIT, ROLLBACK, and SAVEPOINT statements.

Audit records are created for SYS.

Audit records are created for non-sys users.