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FAQ: Undo Space Management in Oracle 9i

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In Oracle9i, undo space is controlled much more closely by the software than in previous versions, but DBAs still must pay attention! In this FAQ, Megh Thakkar covers the major questions related to management of undo segments in Oracle9i.
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In Oracle versions prior to Oracle9i, the undo space is managed with the help of rollback segments. In Oracle9i, the term rollback segments is commonly referred to as undo segments, and Oracle9i databases are capable of managing their own undo (rollback) space. This article compiles the most frequently asked questions about the usage and management of undo space in Oracle9i and provides suggestions about how e-businesses can benefit from the use of this new feature.

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