Oracle
1Z0-052 · Question #139
Which statement describes the effect on an index, when the indexed column for the rows is updated in the base table?
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Managing Schema Objects
Question
Which statement describes the effect on an index, when the indexed column for the rows is updated in the base table?
Options
- AAn update in a leaf row takes place.
- BThe index becomes invalid after the update.
- CThe leaf block containing the row to be updated is marked as invalid.
- DA row in the leaf block of the index for the key value is logically deleted and a new leaf row is inserted.
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Topics
#B-tree index#leaf blocks#index update#logical delete