Oracle
1Z0-072 · Question #40
1Z0-072 Question #40: Real Exam Question with Answer & Explanation
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Question
Which three are true about the Oracle Optimizer? (Choose three.)
Options
- AIt determines the optimal table join order and method.
- BIt generates execution plans for SQL statements based on relevant schema objects, system and session parameters, and information found in the Data Dictionary.
- CIt can optimize only SELECT statements.
- DIt will only generate SQL Plan Directives specific to a given SQL statement.
- EIt can re-optimize execution plans after previous executions detect suboptimal plans.
- FIt updates stale object statistics in the Data Dictionary.
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