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Oracle Updated 1z0-084 Exam Questions and Answers by sierra

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Oracle 1z0-084 Exam Overview :

Exam Name: Oracle Database 19c: Performance Management and Tuning
Exam Code: 1z0-084 Dumps
Vendor: Oracle Certification: Oracle Database 19c
Questions: 55 Q&A's Shared By: sierra
Question 12

Accessing the SALES tables causes excessive db file sequential read wait events.

Examine this AWR except:

Questions 12

Now, examine these attributes displayed by querying dba_tables:

Questions 12

Finally, examine these parameter settings:

Questions 12

Which two must both be used to reduce these excessive waits?

Options:

A.

Partition the SALES table.

B.

Increase PCTFREE for the SALES table.

C.

Re-create the SALES table.

D.

Compress the SALES table.

E.

Coalesce all sales table indexes.

Discussion
Pippa
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Anastasia Mar 6, 2026
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Joey
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Dexter Mar 11, 2026
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Ivan
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Elis Mar 14, 2026
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Stefan
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Ocean Mar 18, 2026
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Question 13

Which statement is true about DB time in V$$YS_TIME_MODEL?

Options:

A.

DB time is organized as a simple list of statistics and any time period is attributable to only one statistic.

B.

DB time can be many times greater than the elapsed time since the database instance started.

C.

DB tine excludes the time spent waiting for a CPU in the operating system run queue.

D.

DB time includes the time spent executing the RMAN backup and restore command.

Discussion
Question 14

Examine these commands, which execute successfully:

Questions 14

Which statement is true?

Options:

A.

AD DM is enabled for all pluggable databases.

B.

ADDM, AWR, and ASH reports can be purged automatically.

C.

AWR- snapshots in all pluggable databases will be purgedautomatically after every 60 mins.

D.

AWR snapshots can be purged manually in pluggable databases.

Discussion
Question 15

Examine this statement and output:

Questions 15

Which two situations can trigger this error?

Options:

A.

The user lacks the required privileges to execute the DBMS WORKLOAD CAPTURE package or the directory.

B.

There is a file in the capture directory.

C.

The syntax is incomplete.

D.

The capture directory is part of the root file system.

E.

The instance is unable to access the capture directory.

Discussion
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