You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）<img src="/Image1/d3/d32e0b5adf91730a133d1afeb10da0ca.jpg" /><br>A:A<br>B:B<br>C:C<br>D:D

You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）

A:A
B:B
C:C
D:D

出自：Oracle认证

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