January 2012
Intermediate to advanced
542 pages
11h 28m
English
Content preview from Oracle Database 11gR2 Performance Tuning CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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DBA_EXTENTS
This view returns the extents which build the database files. No extent information is showed for offline datafiles in locally managed tablespaces.
Fields
The most relevant view fields are as follows:
SEGMENT_TYPE: The type of the segment, such asINDEX (PARTITION), orTABLE (PARTITION)OWNER: The owner of the associated segmentSEGMENT_NAME: The name of the associated segmentTABLESPACE_NAME: The name of the tablespace containing the extentBYTES: The size in bytesBLOCKS: The size in database blocksFILE_ID: The file identifier of the file containing the extentEXTENT_ID: The extent number in the segment
See also
- The
DBA_DATA_FILESsection in this appendix
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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