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1z0-084 Dumps - Oracle Database 19c: Performance Management and Tuning Practice Exam Questions

Oracle 1z0-084 - Oracle Database 19c: Performance Management and Tuning Braindumps

Oracle 1z0-084 - Oracle Database 19c Practice Exam

  • Certification Provider:Oracle
  • Exam Code:1z0-084
  • Exam Name:Oracle Database 19c: Performance Management and Tuning
  • Certification Name:Oracle Database 19c
  • Total Questions:55 Questions and Answers With Detailed Explanations
  • Updated on:Based on the current 1z0-084 exam blueprint. Updated on Jan 1, 2026
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Oracle 1z0-084 This Week Results

1z0-084 Question and Answers

Question # 1

The CURS0R_SHARING and OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES parameters are set to default. The top five wait events in an awr report are due to a large number of hard parses because of several almost identical SQL statements.

Which two actions could reduce the number of hard parses?

Options:

A.  

Create the KEEP cache and cache tables accessed by the SQL statements.

B.  

Create the RECYCLE cache and cache tables accessed by the SQL statements.

C.  

Increase the size of the library cache.

D.  

Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINESto TRU

E.  

E.  

Set the CURSOR_SHARING parameter to FORC

E.  

Discussion 0
Question # 2

Which two statements are true about cursor sharing?

Options:

A.  

Setting Cursor_sharing to FORCE can result in a plan that is suboptimal for the majority of

values bound to a bind variable when executing a cursor with one or more bind variables.

B.  

Adaptive Cursor Sharing guarantees that a suboptimal plan will never be used on any execution of a SQL statement.

C.  

Setting optimizer_capture_sql_plan_baselines to TRUE loads all adaptive plans for the same statement into the cursor cache.

D.  

Setting cursor_sharing to EXACT prevents Adaptive Cursor Sharing from being used.

E.  

Adaptive Cursor Sharing requires histograms on filtered columns, used in equality predicates, to allow different execution plans to be generated for statements whose bound values would normally generate different plans at hard parse time.

Discussion 0
Question # 3

You must configure and enable Database Smart Flash Cache for a database.

You configure these flash devices:

Question # 3

Examine these parameter settings:

Question # 3

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

Options:

A.  

Set DB_FLASH_CACHE_SIZE to 192G and MEMORY_TARGET to 256

G.  

B.  

Set DB_FLASH_CACHE_SIZE parameter to 192

G.  

C.  

Disable Automatic Memory Management and set SGA_TARGET to 256

G.  

D.  

Set DB_FLASH_CACHE_SIZE to 256G and change device /dev/sdk to 128

G.  

E.  

Set DB_FLASH_CACHE_SIZE parameter to 128G, 64

G.  

Discussion 0

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