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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Storage

The following views provide information about internal storage in the database, including datafiles, tablespaces, free extents, used extents, and segments:

*_DATA_FILES

Lists all datafiles in use by the database.

*_EXTENTS

Lists every allocated extent for every segment.

*_FREE_SPACE

Lists every free extent. This view, combined with *_EXTENTS, should account for all storage in *_ DATA_FILES.

*_FREE_SPACE_COALESCED

Lists every extent that is at the start of a block of free extents.

*_ROLLBACK_SEGS

Lists all rollback segments.

*_SEGMENTS

Lists all segments.

*_TABLESPACES

Lists all tablespaces.

*_TS_QUOTAS

Shows the granted quota and used storage in tablespaces by user.

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Publisher Resources

ISBN: 0596003366Errata Page