IBM
A2090-560 · Question #121
A2090-560 Question #121: Real Exam Question with Answer & Explanation
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Question
What should be considered when you are asked to select the distribution key columns for a very large fact table?
Options
- AAs many columns as possible.
- BColumns that contain many nulls.
- CColumns that contain few unique values.
- DColumns used to join to other large tables.
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