6.252 SYS_OBJECTS

SYS_OBJECTS maps object IDs to object types and segment data block addresses.

Column Datatype NULL Description

OBJECT_TYPE

VARCHAR2(18)

Type of the object

OBJECT_TYPE_ID

NUMBER

Type ID of the object

SEGMENT_TYPE_ID

NUMBER

Type of segment: TABLE, CLUSTER, INDEX, ROLLBACK, DEFERRED ROLLBACK, TEMPORARY, CACHE

OBJECT_ID

NUMBER

Object identifier

HEADER_FILE

NUMBER

ID of the file containing the segment header

HEADER_BLOCK

NUMBER

ID of the block containing the segment header

TS_NUMBER

NUMBER

The tablespace number