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1z0-084 PDF Exam (Downloadable)
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Updated : 22-Apr-2024
QA : 55
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Oracle 1z0-084 Exam Dumps - Valid Questions Answers

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1z0-084 Questions and Answers

Question # 1

Which two actions can cause invalidation or loss of one or more results in the SQL Query Result Cache?


One or more results were aged out of the result cache.


result_cache_max_size is set dynamically to 0.


A request was made by the RCBG background of a non-RAC database.


A request was made by the RCBG background process in a physical standby database that is opened read only and whose primary has a result cache.


Decreasing the value set for RESULT_CACHE_REMOTE_EXPIRATION.

Question # 2

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


It does not improve performance for queries using cached results of function evaluations on columns from the same table.


It does not improve performance for queries that use join groups on columns from different tables.


It can improve OLTP workload performance by avoiding the use of indexes.


It does not improve performance for queries using user-defined virtual column results.


It does not require all database data to fit in memory to improve query performance.


It improves performance for queries joining several tables using bloom filter joins.

Question # 3

Examine these statements and output:

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










optimizer_adaptive_statistics = TRUE

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