答案解析
Which two are true when updating a table's index key columns?
- A、leaf row is inserted such as to maintain the collating sequence of the index
- B、A leaf row is always inserted into a different block from where a leaf row was deleted
- C、A leaf row is marked as logically deleted
- D、A leaf row is updated and remains in the same location in the same block
- E、A leaf row is always inserted into the same block from where a leaf row was deleted
- F、A leaf row is delete
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