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Oracle

1Z0-054 · Question #127

1Z0-054 Question #127: Real Exam Question with Answer & Explanation

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Question

Which two statements are valid regarding row migration? (Choose two.)

Options

  • AIt can be reduced by decreasing the PCTFREE value.
  • BThe row migration causes more than one block to be read when a row is accessed.
  • CIt can be resolved by using the ANALYZE TABLE...ESTIMATE STATISTICS command.
  • DIt is caused by inserting a row into an empty data block where the row is too large to fit into that
  • EIt is caused by an UPDATE statement that increases the data in a row so that the new larger

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