Oracle
1Z0-117 · Question #71
1Z0-117 Question #71: Real Exam Question with Answer & Explanation
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Question
Which statement is true about the usage of the STAR_TRANSFORMATION hint in a query?
Options
- AThe optimizer always uses a plan in which the transformation is used.
- BThe optimizer uses transformation only if the cost is less than a query executing without transformation.
- CThe optimizer always generates subqueries to transform a query.
- DThe optimizer always uses bitmap indexes on the primary key column for any dimension table to transform
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