Oracle
1Z0-034 · Question #62
1Z0-034 Question #62: Real Exam Question with Answer & Explanation
The correct answer is B. Prevent contention on the highest leaf block when using sequences to generate keys. See the full explanation below for the reasoning.
Question
What can you achieve by implementing reverse key index?
Options
- ARemove repeated key values from the index to fit more index entries in a given amount of disk space
- BPrevent contention on the highest leaf block when using sequences to generate keys
- CReverse the bytes of each column indexed including the row ID
- DStore a bitmap for each key value instead of a list of row IDs in the leaf node
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