Oracle
1Z0-117 · Question #45
1Z0-117 Question #45: Real Exam Question with Answer & Explanation
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Question
Which three factors does the estimator depend on for overall cost estimation of a given execution plan?
Options
- ACardinality
- BSort area size
- COPTIMIZER_FEATURE_ENABLE parameter
- DNOT NULL_FEATURE_ENABLE parameter
- ENOT NULL constraint on a unique key column
- FLibrary cache size
- GThe units of work such as disk input/output, CPU usage, and memory used in an operation
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