Free Access Oracle.1z0-062.v2022-12-05.q411 Practice Test (Page 73)

Question 356

Which two statements correctly describe the relationship between data files and logical database structures?

A.A segment cannot span data files.

B.A data file can belong to only one tablespace.

C.An extent cannot span data files.

D.The size of an Oracle data blockin a data file should be the same as the size of an OS block.

Question 357

Which two statements are true about the (PMON) background process in Oracle Database 12c?

A.It records checkpoint information in the control file.

B.It frees unused temporary segments.

C.It kills sessions that exceed idle time.

D.It registers database services with all local and remote listeners known to the database instance.

E.It frees resources held by abnormally terminated processes.

Question 358

You want to schedule a job to rebuild a table's indexes after a bulk insert, which must be scheduled as soon as a file containing data arrives on the system.
What would you do to accomplish this?

A.Create a file watcher and an event-based job for bulk insert and then create another job to rebuild indexes on the table.

B.Create a file watcher for the bulk inserts and then create a job to rebuild indexes.

C.Create a job array and add a job for bulk insert and a job to rebuild indexes to the job array.

D.Create an event-based job for the file arrival event, then create a job for bulk insert, and then create a job to rebuild indexes.

Question 359

Which two statements are true about initialization parameter files? (Choose two.)

A.A lost or damaged SPFILE can be re-created by using the parameter values listed in the alert log.

B.The ALTER SYSTEM command cannotbe used to change the value of any parameter if a database instance has started using a PFILE.

C.A PFILE must exist for an SPFILE to be created.

D.Both the SPFILE and PFILE must always reside on a file system accessible from the database host server.

E.On startup, by default a database instance always first searches for an SPFILE, and if it does not find any, searches for a PFIL

Question 360

You want to reduce fragmentation and reclaim unused space for the SALES table but not its dependent objects. During this operation, you want to ensure the following:
i. Long-running queries are not affected.
ii. No extra space is used.
iii. Data manipulation language (DML) operations on the table succeed at all times throughout the process.
iv. Unused space is reclaimed both above and below the high water mark.
Which ALTER TABLE option would you recommend?

A.DEALLOCATE UNUSED

B.SHRINK SPACE CASCADE

C.SHRINK SPACE COMPACT

D.ROW STORE COMPRESS BASIC

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