Oracle
1Z0-515 · Question #37
You will be implementing a data warehouse for one of your customers. In your design process, which index type is most likely to be used to improve the performance of some queries where the data is…
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Introduction to Data Warehousing Concepts
Question
You will be implementing a data warehouse for one of your customers. In your design process, which index type is most likely to be used to improve the performance of some queries where the data is of low cardinality?
Options
- ABitmap indexes
- BB*-tree indexes
- CReverse indexes
- DInvisible indexes
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Topics
#bitmap indexes#low cardinality#index selection#query performance