Topic: Database Administration >> realtionship between rollback segment and undo tablespace
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| Title: realtionship between rollback segment and undo tablespace |
| Neeraj |
Posted: Apr 10, 2008 04:35:28 AM |
Total Post: 228
Joined: Jan, 2007
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hi,
anyone can tell me wts the relation between rollback segment & undotablespace.
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 ramesh |
| Posted: Apr 10, 2008 07:18:03 AM |  |
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Total Post: 69
Joined: Dec, 2006
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i think the roolback segments resides in undo tablespace
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| Gitesh |
| Posted: Apr 10, 2008 07:58:22 AM | |
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Total Post: 322
Joined: May, 2005
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Before Oracle9i rollback segment available now onwards it called undo segments. In Oracle 9i when we enable undo_management=AUTO that time Oracle create undo segments in undo tablespace. Working of rollback segment and undo segment is same. But when undo_management is auto that time oracle automatically manages like shrinking/creating new undo segment or offline present undo segment,extending undo segment etc.
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