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Which four options represent the features of Oracle Undo Advisor? (Choose four.)

Oracle Undo Advisor advises you on when to implement automatic undo retention.

Oracle Undo Advisor recommends when you must create another UNDO tablespace.

Oracle Undo Advisor provides the best retention possible for the given undo tablespace.

Oracle Undo Advisor provides guidance on how often the UNDO tablespace should be defragmented.

Oracle Undo Advisor recommends the maximum undo retention time required to guarantee successful querying.

Oracle Undo Advisor recommends a size for the UNDO tablespace when you want to set undo retention to a particular value.

Oracle Undo Advisor recommends a tablespace size and undo retention values for flashback operations for a specific point in time in the past.

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