[Mar 16, 2026] 100% Real & Accurate 1Z0-084 Questions with Free and Fast Updates [Q23-Q44]

Q23. You need to collect and aggregate statistics for the ACCTG service and PAYROLL module, and execute:

Where do you find the output of this command?

Q24. Users complain about slowness and session interruptions. Additional checks reveal the following error in the application log:

Which file has additional information about this error?

Q25. An Oracle 19c database uses default values for all optimizer initialization parameters.
After a table undergoes partition maintenance, a large number of wait events occur for:
cursor: pin S wait on X
Which command reduces the number of these wait events?

Q26. Which two statements are true about the use and monitoring of Buffer Cache Hit ratios and their value in tuning Database I/O performance?

Q27. Which two types of performance problems are reported by ADDM for PDBS?

Q28. Examine this command:

What is the maximum number of baselines generated by this command that you can have at any given time?

Q29. Examine these statements and output:

What parameter change activates the generation and use of SQL Plan Directives7

Q30. Examine this AWR report excerpt:

You must reduce the impact of database I/O, without increasing buffer cache size and without modifying the SQL statements.
Which compression option satisfies this requirement?

Q31. You need to transport performance data from a Standard Edition to an Enterprise Edition database. What is the recommended method to do this?

Q32. You must configure and enable Database Smart Flash Cache for a database.
You configure these flash devices:

Examine these parameter settings:

What must be configured so that the database uses these devices for the Database Smart Flash Cache?

Q33. Which three statements are true about tuning dimensions and details of v$sys_time_model and DB time?

Q34. Examine this statement and its corresponding execution plan:

Which phase introduces the CONCATENATION step?

Q35. Buffer cache access is too frequent when querying the SALES table. Examine this command which executes successfully:
ALTER TABLE SALES SHRINK SPACE;
For which access method does query performance on sales improve?

Q36. An Oracle 19c database uses default values for all optimizer initialization parameters.
After a table undergoes partition maintenance, a large number of wait events occur for:
cursor: pin S wait on X
Which command reduces the number of these wait events?

Q37. Which three statements are true about using the in Memory (IM) column store?

Q38. You are informed that the RMAN session that is performing the database duplication is much slower than usual. You want to know the approximate time when the rman operation will be completed.
Which view has this information?

Q39. Which Optimizer component helps decide whether to use a nested loop join or a hash join in an adaptive execution plan?

Q40. Users complain about slowness and session interruptions. Additional checks reveal the following error in the application log:

Which file has additional information about this error?

Q41. A database supporting a mixed workload is hosted on a server with 64 CPUs.
A large number of free buffer waits and buffer busy waits occur affecting performance.
The buffer cache size was then increased but after a few hours, the same wait events occur more often than before the change.
Examine these parameter settings:

Which two actions can help reduce the number of these waits7

Q42. A database supporting a mixed workload is hosted on a server with 64 CPUs.
A large number of free buffer waits and buffer busy waits occur affecting performance.
The buffer cache size was then increased but after a few hours, the same wait events occur more often than before the change.
Examine these parameter settings:

Which two actions can help reduce the number of these waits7

Q43. Examine this statement and its corresponding execution plan:

Which phase introduces the CONCATENATION step?

Q44. A database instance is suffering poor I/O performance on two frequently accessed large tables.
No Big Table caching occurs in the database.
Examine these parameter settings:

Which are two actions either one of which will allow Big Table caching to occur?