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Oracle

1Z0-082 · Question #91

Which two statements are true about UNDO and REDO? (Choose two.)

The correct answer is A. The generation of UNDO generates REDO C. The generation of REDO generates UNDO. You've hit your weekly limit · resets 5am (America/New_York)

Administer Undo Data

Question

Which two statements are true about UNDO and REDO? (Choose two.)

Options

  • AThe generation of UNDO generates REDO
  • BDML modifies Oracle database objects and only generates UNDO
  • CThe generation of REDO generates UNDO
  • DDML modifies Oracle database objects and only generates REDO
  • EDML modifies Oracle database objects and generates UNDO and REDO

How the community answered

(52 responses)
  • A
    75% (39)
  • B
    13% (7)
  • D
    8% (4)
  • E
    4% (2)

Explanation

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Topics

#UNDO data#REDO logs#DML operations#transaction logging

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