When executing a SQL workload, you 1z0-055 choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? (Choose two.)
A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan, and not performance regression, are detected.
Answer: AC
While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences? (Choose two.)
A. The plan baselines can be evolved over time to produce better performance.
B. The newly generated plans are directly placed into the SQL plan baseline without being verified.
C. The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D. The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.
Answer: AC
In your database, the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file.
You issued the following command:
SQL>SELECT /*+ RESULT_CACHE */ sale_category, sum(sale_amt)
FROM sales
GROUP BY sale_category;
Where would the result of this query be stored?
A. PGA
B. large pool
C. shared pool
D. database buffer cache
Answer: C
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