A It returns versions of rows only within a transaction.
B It can be used in subqueries contained only in a SELECT statement.
C It will return an error if the undo retention time is less than the lower bound time or SCN specified.
D It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
Which statement is true?()
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Which two statements are true?()
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Which four statements are true?()
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Which statements are true about checkpointing()
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Which statements are true regarding listeners()
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Which statements are correct regarding indexes? ()
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Which command creates an image copy?()
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Which statement is true regarding subqueries?()
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Which statement is true regarding synonyms?()
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Which three operations require undo data()
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