Free 1z0-084 – Oracle Database 19c: Performance Management and Tuning Practice Test Question

Select an option, then click Submit answer.

• ○ Define the problem clearly
• ○ Increase memory sizes blindly
• ○ Add indexes immediately everywhere
• ○ Restart the database server

Select an option, then click Submit answer.

• ○ Instance Activity section listing
• ○ Latch Activity section listing
• ○ SQL Statistics section listing
• ○ Buffer Pool section listing

Select an option, then click Submit answer.

• ○ More blocks read overall
• ○ Longer parse times overall
• ○ Larger redo generation overall
• ○ Fewer blocks read overall

Select an option, then click Submit answer.

• ○ Unverified suggested plan set
• ○ Temporary session plan set
• ○ Archived obsolete plan set
• ○ Accepted verified plan set

Select an option, then click Submit answer.

• ○ Blocks sorted in memory
• ○ Blocks written to disk
• ○ Blocks archived to tape
• ○ Blocks found in memory

Select an option, then click Submit answer.

• ○ Every week by default
• ○ Every hour by default
• ○ Every day by default
• ○ Every minute by default

Select all that apply, then click Submit answer.

• ○ Tablespace growth per execution
• ○ Buffer gets per execution
• ○ Elapsed time per execution
• ○ Password changes per execution

Select all that apply, then click Submit answer.

• ○ Selecting all columns always
• ○ Avoiding unnecessary sorting operations
• ○ Disabling optimizer statistics gathering
• ○ Using bind variables properly

Select all that apply, then click Submit answer.

• ○ Tune without baseline data
• ○ Change one variable only
• ○ Tune with measurable goals
• ○ Change everything at once

Answer is in the explanation below.

Answer is in the explanation below.

Answer is in the explanation below.