Online Access Free Oracle.1z0-062.v2022-01-28.q200 Practice Test (Page 35)

1z0-062 Exam Question 166

What should you do to ensure that a job stores minimal job metadata and runtime data on disk, and uses only existing PL/SQL programs?

A.Create an event-based job.

B.Create a lightweight job.

C.Specify the job as a member of a job class.

D.Use a job array.

1z0-062 Exam Question 167

Which three tasks can be automatically performed by the Automatic Data Optimization feature of Information
lifecycle Management (ILM)?

A.Tracking the most recent read time for a table segment in a user tablespace

B.Tracking the most recent write time for a table segment in a user tablespace

C.Tracking insert time by row for table rows

D.Tracking the most recent write time for a table block

E.Tracking the most recent read time for a table segment in the SYSAUX tablespace

F.Tracking the most recent write time for a table segment in the SYSAUX tablespace

1z0-062 Exam Question 168

Which three statements are true about SQL plan directives? (Choose three.)

A.They instruct the maintenance job to collect missing statistics or perform dynamic sampling to generate a more optimal plan.

B.They instruct the optimizer to create only column group statistics.

C.They are tied to a specific statement or SQL ID.

D.Improve plan accuracy by persisting both compilation and execution statistics in the SYSAUX tablespace.

E.They are created for a query expression where statistics are missing or the cardinality estimates by the optimizer are incorrect.

F.They are used to gather only missing statistics.

1z0-062 Exam Question 169

Automatic Shared Memory Management is enabled for your database instance. You notice that there are
SQL statements performing poorly because of repeated parsing activity.
Which action generates recommendations to overcome the performance issues?

A.running the Memory Advisor for the SGA

B.running the Memory Advisor for the library cache

C.running the Memory Advisor for the PGA

D.running the Memory Advisor for the buffer cache

1z0-062 Exam Question 170

Your multitenant container (CDB) contains two pluggable databases (PDB), HR_PDB and ACCOUNTS_PDB, both of which use the CDB tablespace. The temp file is called temp01.tmp.
A user issues a query on a table on one of the PDBs and receives the following error:
ERROR at line 1:
ORA-01565: error in identifying file '/u01/app/oracle/oradata/CDB1/temp01.tmp' ORA-27037: unable to obtain file status Identify two ways to rectify the error. (Choose two.)

A.Add a new temp file to the temporary tablespace and drop the temp file that that produced the error.

B.Shut down the database instance, restore the temp01.tmp file from the backup, and then restart the database.

C.Take the temporary tablespace offline, recover the missing temp file by applying redo logs, and then bring the temporary tablespace online.

D.Shutdown the database instance, restore and recover the temp file from the backup, and then open the database with RESETLOGS.

E.Shut down the database instance and then restart the CDB and PDBs.

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