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How does Oracle allocate a new extent ? [message #175869] |
Mon, 05 June 2006 15:35  |
agostino_neto
Messages: 180 Registered: July 2005
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Senior Member |
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Hi all,
I have noticed that when a new datafile is added to the database. Extents are not always created from the top to the bottom of the file.
When querying dba_extents, dba_data_files and dba_objects, I can see that sometimes newer extents begins at a smaller block than the previous one. How does Oracle allocate a new extent and for what reason ?
Thanks.
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