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NEW QUESTION 1
You want a job that performs a bulk insert as soon as the loader file arrives on the local file system. Which two would you do to accomplish this? (Choose two.)

  • A. Create a file watcher
  • B. Create a bulk loader watcher
  • C. Create a light weight job for bulk insert
  • D. Create an event-based job for bulk insert
  • E. Create a job chain with a step for bulk insert

Answer: AD

NEW QUESTION 2
Your multitenant container (CDB) containing three pluggable databases (PDBs) is running in ARCHIVELOG mode. You find that the SYSAUX tablespace is corrupted in the root container.
The steps to recover the tablespace are as follows:
1. Mount the CDB.
2. Close all the PDBs.
3. Open the database.
4. Apply the archive redo logs.
5. Restore the data file.
6. Take the SYSAUX tablespace offline.
7. Place the SYSAUX tablespace online.
8. Open all the PDBs with RESETLOGS.
9. Open the database with RESETLOGS.
10. Execute the command SHUTDOWN ABORT.
Which option identifies the correct sequence to recover the SYSAUX tablespace?

  • A. 6, 5, 4, 7
  • B. 10, 1, 2, 5, 8
  • C. 10, 1, 2, 5, 4, 9, 8
  • D. 10, 1, 5, 8, 10

Answer: A

Explanation: RMAN> ALTER TABLESPACE sysaux OFFLINE IMMEDIATE; RMAN> RESTORE TABLESPACE sysaux;
RMAN> RECOVER TABLESPACE sysaux; RMAN> ALTER TABLESPACE sysaux ONLINE;
* Example:
While evaluating the 12c beta3 I was not able to do the recover while testing “all pdb files lost”. Cannot close the pdb as the system datafile was missing…
So only option to recover was: Shutdown cdb (10) startup mount; (1)
restore pluggable database recover pluggable database alter database open; alter pluggable database name open;
Oracle support says: You should be able to close the pdb and restore/recover the system tablespace of PDB.
* Inconsistent backups are usually created by taking online database backups. You can also make an inconsistent backup by backing up data files while a database is closed, either:
/ Immediately after the crash of an Oracle instance (or, in an Oracle RAC configuration, all instances)
/ After shutting down the database using SHUTDOWN ABORT
Inconsistent backups are only useful if the database is in ARCHIVELOG mode and all archived redo logs created since the backup are available.
* Open the database with the RESETLOGS option after finishing recovery: SQL> ALTER DATABASE OPEN RESETLOGS;

NEW QUESTION 3
Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3. Which two RMAN commands may be; used to back up only the PDB1 pluggable database? (Choose two.)

  • A. BACKUP PLUGGABLE DATABASE PDB1 while connected to the root container
  • B. BACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 container
  • C. BACKUP DATABASE while connected to the PDB1 container
  • D. BACKUP DATABASE while connected to the boot container
  • E. BACKUP PLUGGABLE database PDB1 while connected to PDB2

Answer: AC

Explanation: To perform operations on a single PDB, you can connect as target either to the root or directly to the PDB.
* (A) If you connect to the root, you must use the PLUGGABLE DATABASE syntax in your RMAN commands. For example, to back up a PDB, you use the BACKUP PLUGGABLE DATABASE command.
* (C)If instead you connect directly to a PDB, you can use the same commands that you would use when connecting to a non-CDB. For example, to back up a PDB, you would use the BACKUP DATABASE command.

NEW QUESTION 4
The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE
You want to manage the SQL plan evolution task manually. Examine the following steps:
1. Set the evolve task parameters.
2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function.
3. Implement the recommendations in the task by using the DBMS_SPM.IMPLEMENT_EVOLVE_TASK function.
4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function.
5. Report the task outcome by using the DBMS_SPM.REPORT_EVOLVE_TASK function. Identify the correct sequence of steps:

  • A. 2, 4, 5
  • B. 2, 1, 4, 3, 5
  • C. 1, 2, 3, 4, 5
  • D. 1, 2, 4, 5

Answer: B

Explanation: * Evolving SQL Plan Baselines
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*2. Create the evolve task by using the DBMS_SPM.CREATE_EVOLVE_TASK function.
This function creates an advisor task to prepare the plan evolution of one or more plans for a specified SQL statement. The input parameters can be a SQL handle, plan name or a list of plan names, time limit, task name, and description.
1. Set the evolve task parameters. SET_EVOLVE_TASK_PARAMETER
This function updates the value of an evolve task parameter. In this release, the only valid parameter is TIME_LIMIT.
4. Execute the evolve task by using the DBMS_SPM.EXECUTE_EVOLVE_TASK function.
This function executes an evolution task. The input parameters can be the task name, execution name, and execution description. If not specified, the advisor generates the name, which is returned by the function.
3: IMPLEMENT_EVOLVE_TASK
This function implements all recommendations for an evolve task. Essentially, this function is equivalent to using ACCEPT_SQL_PLAN_BASELINE for all recommended plans. Input parameters include task name, plan name, owner name, and execution name.
5. Report the task outcome by using the DBMS_SPM_EVOLVE_TASK function.
This function displays the results of an evolve task as a CLOB. Input parameters include the task name and section of the report to include.
References:

NEW QUESTION 5
Which two statements are true about extents? (Choose two.)

  • A. Blocks belonging to an extent can be spread across multiple data files.
  • B. Data blocks in an extent are logically contiguous but can be non-contiguous on disk.
  • C. The blocks of a newly allocated extent, although free, may have been used before.
  • D. Data blocks in an extent are automatically reclaimed for use by other objects in a tablespace when all the rows in a table are deleted.

Answer: BC

NEW QUESTION 6
Examine this command executed on a client that is remote from the database server. SQL> CONNECT hr/hr@orcl Which two are required for this command to connect the SQLPLUS client to a database instance? (Choose two.)

  • A. An orcl TNS entry must be defined in the client-side and server-side tnsnames.ora files
  • B. An orcl TNS entry must be defined in the client-side tnsnames.ora file
  • C. A service name must be defined to the listener that matches the service name in the orcl TNS entry
  • D. An orcl TNS entry must be defined in the server-side tnsnames.ora file
  • E. The service name orcl must be defined to the listener

Answer: DE

NEW QUESTION 7
You executed a DROP USER CASCADE on an Oracle 11g release 1 database and immediately realized that you forgot to copy the OCA.EXAM_RESULTS table to the OCP schema.
The RECYCLE_BIN enabled before the DROP USER was executed and the OCP user has been granted the FLASHBACK ANY TABLE system privilege.
What is the quickest way to recover the contents of the OCA.EXAM_RESULTS table to the OCP schema?

  • A. Execute FLASHBACK TABLE OCA.EXAM_RESULTS TO BEFORE DROP RENAME TOOCP.EXAM_RESULTS; connected as SYSTEM.
  • B. Recover the table using traditional Tablespace Point In Time Recovery.
  • C. Recover the table using Automated Tablespace Point In Time Recovery.
  • D. Recovery the table using Database Point In Time Recovery.
  • E. Execute FLASHBACK TABLE OCA.EXAM_RESULTS TO BEFORE DROP RENAME TO EXAM_RESULTS;connected as the OCP user.

Answer: C

Explanation: RMAN tablespace point-in-time recovery (TSPITR).
Recovery Manager (RMAN) TSPITR enables quick recovery of one or more tablespaces in a database to an earlier time without affecting the rest of the tablespaces and objects in the database.
Fully Automated (the default)
In this mode, RMAN manages the entire TSPITR process including the auxiliary instance. You specify the tablespaces of the recovery set, an auxiliary destination, the target time, and you allow RMAN to manage all other aspects of TSPITR.
The default mode is recommended unless you specifically need more control over the location of recovery set files after TSPITR, auxiliary set files during TSPITR, channel settings and parameters or some other aspect of your auxiliary instance.

NEW QUESTION 8
Which three statements are true about Oracle checkpoint processing? (Choose three.)

  • A. Frequent thread checkpoints can degrade database performance
  • B. Database Writer (DBWn) processes write checkpoint information to datafile headers and the control file
  • C. It reduces the recovery time from instance failures
  • D. Incremental checkpoints write some dirty buffers to the datafiles and unwritten redo to the online redo logs.
  • E. Thread checkpoints ensure that all dirty buffers are written to data files during a normal shutdown

Answer: BCE

NEW QUESTION 9
Which two statements are true about availability audit features after migration to unified auditing? (Choose two.)

  • A. The ability of users to audit their own schema objects is not available in the post-migrated database.
  • B. Operating system audit trail is available in the post-migrated database.
  • C. Network auditing is available in the post-migrated database.
  • D. Mandatory auditing of audit administrative actions is available in the post-migrated database.

Answer: AD

Explanation: References: https://docs.oracle.com/database/121/DBSEG/audit_changes.htm#DBSEG341

NEW QUESTION 10
Your database supports an online transaction processing (OLTP) workload in which one of the applications creates a temporary table for a session and performs transactions on it. This consumes a lot of undo tablespace and generates lots of redo.
Which two actions would you take to solve this problem? (Choose two.)

  • A. Increase the size of the temporary tablespace.
  • B. Enable Automatic Memory Management (AMM).
  • C. Enable undo retention guarantee.
  • D. Enable temporary undo for the database.
  • E. Increase the size of the redo log buffe

Answer: AD

NEW QUESTION 11
Identify three valid methods of opening, pluggable databases (PDBs).

  • A. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the root
  • B. ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a PDB
  • C. ALTER PLUGGABLE DATABASE PDB OPEN issued from the seed
  • D. ALTER DATABASE PDB OPEN issued from the root
  • E. ALTER DATABASE OPEN issued from that PDB
  • F. ALTER PLUGGABLE DATABASE PDB OPEN issued from another PDB
  • G. ALTER PLUGGABLE DATABASE OPEN issued from that PDB

Answer: AEG

Explanation: E: You can perform all ALTER PLUGGABLE DATABASE tasks by connecting to a PDB and running the corresponding ALTER DATABASE statement. This functionality is provided to maintain backward compatibility for applications that have been migrated to a CDB environment.
AG: When you issue an ALTER PLUGGABLE DATABASE OPEN statement, READ WRITE is the default unless a PDB being opened belongs to a CDB that is used as a physical standby database, in which case READ ONLY is the default.
You can specify which PDBs to modify in the following ways: List one or more PDBs.
Specify ALL to modify all of the PDBs.
Specify ALL EXCEPT to modify all of the PDBs, except for the PDBs listed.

NEW QUESTION 12
Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyze impact on the performance of SQL statements.

  • A. Change in the Oracle Database version
  • B. Change in your network infrastructure
  • C. Change in the hardware configuration of the database server
  • D. Migration of database storage from non-ASM to ASM storage
  • E. Database and operating system upgrade

Answer: ACE

Explanation: Oracle 11g/12c makes further use of SQL tuning sets with the SQL Performance Analyzer, which compares the performance of the statements in a tuning set before and after a database change. The database change can be as major or minor as you like, such as:
* (E) Database, operating system, or hardware upgrades.
* (A, C) Database, operating system, or hardware configuration changes.
* Database initialization parameter changes.
* Schema changes, such as adding indexes or materialized views.
* Refreshing optimizer statistics.
* Creating or changing SQL profiles.

NEW QUESTION 13
Examine the parameter settings in your local ORCL database:
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Examine the parameter settings for the remote SALES database:
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As the SYS user, you issue the following command on ORCL:
CREATE PUBLICDATABASE LINK sales.us.example.com USING ‘sales1’; The sales1 tnsnames entry points to the sales database instance.
Which two are requirements to ensure that you can successfully connect by using this database link? (Choose two.)

  • A. The GLOBAL_NAMES initialization parameter should be set to FALSE in the ORCL database.
  • B. The SALES1 net service name should be known to both the local and remote databases.
  • C. Local database users who use this database link should have accounts and the required privileges in the remote database.
  • D. The REMOTE_OS_AUTHENT initialization parameter should be set to FALSE in the remote database.
  • E. Only the user creating the database link must have an account and the required privileges in the remote databas

Answer: AC

NEW QUESTION 14
You perform RMAN backups for your database and use a recovery catalog for managing the backups. To free space, you execute this command:
RMAN> DELETE OBSOLETE;
Which three statements are true is this scenario? (Choose three.)

  • A. The backup sets marked as expired are deleted.
  • B. The information related to the backups is removed from the recovery catalog and the control file.
  • C. The physical files related to the backup need to be manually deleted.
  • D. The physical files related to the backup are deleted automatically.
  • E. The backups deleted are based on the backup retention polic

Answer: BDE

NEW QUESTION 15
Which two statements are true about Oracle Data Pump export and import operations? (Choose two.)

  • A. You can detach from a data pump export job and reattach later.
  • B. Data pump uses parallel execution server processes to implement parallel import.
  • C. Data pump import requires the import file to be in a directory owned by the oracle owner.
  • D. The master table is the last object to be exported by the data pump.
  • E. You can detach from a data pump import job and reattach later.

Answer: AB

Explanation: B: Data Pump can employ multiple worker processes, running in parallel, to increase job performance.
D: For export jobs, the master table records the location of database objects within a dump file set. / Export builds and maintains the master table for the duration of the job. At the end of an export job, the content of the master table is written to a file in the dump file set.
/ For import jobs, the master table is loaded from the dump file set and is used to control the sequence of operations for locating objects that need to be imported into the target database.

NEW QUESTION 16
You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux.
You have set the DB_SMART_FLASH_FILE parameter: DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’ How should the DB_FLASH_CACHE_SIZE be configured to use both devices?

  • A. Set DB_FLASH_CACHE_ZISE = 64G.
  • B. Set DB_FLASH_CACHE_ZISE = 64G, 64G
  • C. Set DB_FLASH_CACHE_ZISE = 128G.
  • D. DB_FLASH_CACHE_SIZE is automatically configured by the instance at startup.

Answer: B

Explanation: * Smart Flash Cache concept is not new in Oracle 12C - DB Smart Flash Cache in Oracle 11g.
In this release Oracle has made changes related to both initialization parameters used by DB Smart Flash cache. Now you can define many files|devices and its sizes for “Database Smart Flash Cache” area. In previous releases only one file|device could be defined.
DB_FLASH_CACHE_FILE = /dev/sda, /dev/sdb, /dev/sdc DB_FLASH_CACHE_SIZE = 32G, 32G, 64G
So above settings defines 3 devices which will be in use by “DB Smart Flash Cache”
/dev/sda – size 32G
/dev/sdb – size 32G
/dev/sdc – size 64G
New view V$FLASHFILESTAT – it’s used to determine the cumulative latency and read counts of each file|device and compute the average latency

NEW QUESTION 17
Which statement is true about unified auditing?

  • A. The unified audit trail, by default, resides in a read-only table in the AUDSYS schema in the SYSAUX tablespace.
  • B. Only the CREATE, ALTER, and DROP statements are audited for all users, including SYS.
  • C. Unified auditing is enabled only if the AUDIT_TRAIL parameter is set to NONE.
  • D. The unified audit trail contains audit records only from unified audit policies and AUDIT settings.

Answer: A

Explanation: References: https://docs.oracle.com/database/121/DBSEG/audit_admin.htm#DBSEG370

NEW QUESTION 18
Which statement is true about the Database as a Service (DBaaS) instances and Database instances in Oracle Public Cloud

  • A. An Oracle database instance can support only one DBaaS instance.
  • B. ADBaaS instance can support only one Oracle database instance.
  • C. An Oracle database instance can support multiple DBaaS instances.
  • D. ADBaaS instance can support multiple Oracle database instances.
  • E. ADBaaS instance runs in a pluggable database (PDB), which is contained in a multi-tenant container database (CDB).

Answer: D

NEW QUESTION 19
What is the effect of setting the STATISTICS_LEVEL initialization parameter to BASIC?

  • A. Optimizer statistics are collected automatically.
  • B. Only timed operating system (OS) statistics and plan execution statistics are collected.
  • C. Automatic Workload Repository (AWR) snapshots are not generated automatically.
  • D. The Oracle server dynamically generates the necessary object-level statistics on tables as part of query optimization.

Answer: C

Explanation: References: https://docs.oracle.com/cd/B28359_01/server.111/b28320/initparams240.htm#REFRN10214

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