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Oracle9i Database Reference
Release 2 (9.2)

Part Number A96536-02
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DBA_TABLESPACES

DBA_TABLESPACES describes all tablespaces in the database.

Related View

USER_TABLESPACES describes the tablespaces accessible to the current user. This view does not display the PLUGGED_IN column.

Column Datatype NULL Description

TABLESPACE_NAME

VARCHAR2(30)

NOT NULL

Tablespace name

BLOCK_SIZE

NUMBER

NOT NULL

Tablespace block size

INITIAL_EXTENT

NUMBER

Default initial extent size

NEXT_EXTENT

NUMBER

Default incremental extent size

MIN_EXTENTS

NUMBER

NOT NULL

Default minimum number of extents

MAX_EXTENTS

NUMBER

Default maximum number of extents

PCT_INCREASE

NUMBER

Default percent increase for extent size

MIN_EXTLEN

NUMBER

Minimum extent size for this tablespace

STATUS

VARCHAR2(9)

Tablespace status:

  • ONLINE
  • OFFLINE
  • READ ONLY

CONTENTS

VARCHAR2(9)

Tablespace contents:

  • UNDO
  • PERMANENT
  • TEMPORARY

LOGGING

VARCHAR2(9)

Default logging attribute:

  • LOGGING
  • NOLOGGING

FORCE_LOGGING

VARCHAR2(3)

Indicates whether this tablespace is under force logging mode (YES) or not (NO)

EXTENT_MANAGEMENT

VARCHAR2(10)

Indicates how the extents of this tablespace are managed:

  • DICTIONARY - Tablespace is dictionary managed
  • LOCAL - Tablespace is locally managed

ALLOCATION_TYPE

VARCHAR2(9)

Type of extent allocation in effect for this tablespace:

  • SYSTEM
  • UNIFORM
  • USER

PLUGGED_IN

VARCHAR2(3)

Indicates whether this tablespace is plugged in (YES) or not (NO)

SEGMENT_SPACE_MANAGEMENT

VARCHAR2(6)

Indicates how the used and free space in the segments in this tablespace are managed:

  • MANUAL - Segment space in this tablespace is managed using free lists
  • AUTO - Segment space in this tablespace is managed using bitmaps
See Also:

"USER_TABLESPACES"