Oracle
1Z0-052 · Question #60
While observing the index statistics, you find that an index is highly fragmented, thereby resulting in poor database performance. Which option would you use to reduce fragmentation without affecting
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Managing Schema Objects
Question
While observing the index statistics, you find that an index is highly fragmented, thereby resulting in poor database performance. Which option would you use to reduce fragmentation without affecting the users who are currently using the index?
Options
- AValidate the index structure using the ANALYZE .... INDEX command
- BRebuild the index using the ALTER INDEX ..... REBUILD ONLINE command
- CChange the block space utilization parameters using the ALTER INDEX command
- DDeallocate the unused space in the index using the ALTER INDEX ... DEALLOCATE UNUSED command
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Topics
#index fragmentation#ALTER INDEX REBUILD ONLINE#index maintenance#online operations