Oracle
1Z0-052 · Question #27
What can you achieve by implementing reverse key index?
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Managing Schema Objects
Question
What can you achieve by implementing reverse key index?
Options
- AReverse the bytes of each column indexed including the row ID
- BStore a bitmap for each key value instead of a list of row IDs in the leaf node
- CPrevent contention on the highest leaf block when using sequences to generate keys
- DRemove repeated key values from the index to fit more index entries in a given amount of disk space
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Topics
#reverse key index#index contention#sequence keys#B-tree index