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问题

Which statement describes&


Which statement describes the effect on an index, when the indexed column for the rows is updatedin the base table()

  • 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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分类:1Z0-052题库