日期:2014-05-16 浏览次数:20480 次
10g Release 2 (10.2)
http://docs.oracle.com/cd/B19306_01/server.102/b14237/statviews_4097.htm
DBA_SEGMENTS
describes the storage allocated for all segments in the database.
Related View
USER_SEGMENTS
describes the storage allocated for the segments owned by the current user's objects. This view does not display the OWNER
, HEADER_FILE
, HEADER_BLOCK
, or RELATIVE_FNO
columns.
Column | Datatype | NULL | Description |
---|---|---|---|
OWNER | VARCHAR2(30) | Username of the segment owner | |
SEGMENT_NAME | VARCHAR2(81) | Name, if any, of the segment | |
PARTITION_NAME | VARCHAR2(30) | Object Partition Name (Set to NULL for non-partitioned objects) | |
SEGMENT_TYPE | VARCHAR2(18) | Type of segment: INDEX PARTITION, TABLE PARTITION, TABLE, CLUSTER, INDEX, ROLLBACK, DEFERRED ROLLBACK, TEMPORARY, CACHE, LOBSEGMENT and LOBINDEX | |
TABLESPACE_NAME | VARCHAR2(30) | Name of the tablespace containing the segment | |
HEADER_FILE | NUMBER | ID of the file containing the segment header | |
HEADER_BLOCK | NUMBER | ID of the block containing the segment header | |
BYTES | NUMBER |
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