SNAP_ID

NUMBER

NOT NULL

Unique snapshot ID

DBID

NUMBER

NOT NULL

Database ID for the snapshot

INSTANCE_NUMBER

NUMBER

NOT NULL

Instance number for the snapshot

TS#

NUMBER

NOT NULL

Tablespace number

TSNAME

VARCHAR2(30)

Tablespace name

CONTENTS

VARCHAR2(9)

Tablespace contents:

• PERMANENT

• TEMPORARY

STATUS

VARCHAR2(9)

Tablespace status:

• ONLINE

• OFFLINE

• READ ONLY

SEGMENT_SPACE_MANAGEMENT

VARCHAR2(6)

Indicates whether the free and used segment space in the tablespace is managed using free lists (MANUAL) or bitmaps (AUTO)

EXTENT_MANAGEMENT

VARCHAR2(10)

Indicates whether the extents in the tablespace are dictionary managed (DICTIONARY) or locally managed (LOCAL)

IS_BACKUP

VARCHAR2(5)

Indicates whether the tablespace is part of a backup

CON_DBID

NUMBER

The database ID of the PDB for the sampled session

CON_ID

NUMBER

The ID of the container that CON_DBID identifies. Possible values include:

• 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

• 1: This value is used for rows containing data that pertain to only the root

• n: Where n is the applicable container ID for the rows containing data