Oracle
1Z0-117 · Question #24
1Z0-117 Question #24: Real Exam Question with Answer & Explanation
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Question
Examine the Exhibit and view the structure of an indexes for the EMPLOYEES table. Which two actions might improve the performance of the query?
Exhibits
Options
- AUse the ALL_ROWS hint in the query.
- BCollect the histogram statistics for the EMPLOYEE_ID column.
- CDecrease the value for the DB_FILE_MULTIBLOCK_READ_COUNT initialization parameter.
- DDecrease the index on the EMPLOYEE_ID if not being used.
- ESet the OPTIMIZER_MODE parameter to ALL_ROWS.
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