| 
 
OWNER   | 
 
VARCHAR2(30)   | 
 
NOT NULL    | 
 
Owner of the cluster   | 
| 
 
CLUSTER_NAME   | 
 
VARCHAR2(30)   | 
 
NOT NULL   | 
 
Name of the cluster   | 
| 
 
TABLESPACE_NAME   | 
 
VARCHAR2(30)   | 
 
NOT NULL   | 
 
Name of the tablespace containing the cluster   | 
| 
 
PCT_FREE   | 
 
NUMBER   | 
 
   | 
 
Minimum percentage of free space in a block   | 
| 
 
PCT_USED   | 
 
NUMBER   | 
 
NOT NULL   | 
 
Minimum percentage of used space in a block   | 
| 
 
KEY_SIZE   | 
 
NUMBER   | 
 
   | 
 
Estimated size of cluster key plus associated rows   | 
| 
 
INI_TRANS   | 
 
NUMBER   | 
 
NOT NULL   | 
 
Initial number of transactions   | 
| 
 
MAX_TRANS   | 
 
NUMBER   | 
 
NOT NULL   | 
 
Maximum number of transactions   | 
| 
 
INITIAL_EXTENT   | 
 
NUMBER   | 
 
   | 
 
Size of the initial extent in bytes   | 
| 
 
NEXT_EXTENT   | 
 
NUMBER   | 
 
   | 
 
Size of secondary extents in bytes   | 
| 
 
MIN_EXTENTS   | 
 
NUMBER   | 
 
NOT NULL    | 
 
Minimum number of extents allowed in the segment   | 
| 
 
MAX_EXTENTS   | 
 
NUMBER   | 
 
NOT NULL    | 
 
Maximum number of extents allowed in the segment   | 
| 
 
PCT_INCREASE   | 
 
NUMBER   | 
 
NOT NULL   | 
 
Percentage increase in extent size   | 
| 
 
FREELISTS   | 
 
NUMBER   | 
 
   | 
 
Number of process freelists allocated to this segment   | 
| 
 
FREELIST_GROUPS    | 
 
NUMBER   | 
 
   | 
 
Number of freelist groups allocated to this segment   | 
| 
 
AVG_BLOCKS_PER_KEY    | 
 
NUMBER   | 
 
   | 
 
Number of blocks in the table divided by number of hash keys   | 
| 
 
CLUSTER_TYPE   | 
 
VARCHAR2(5)   | 
 
   | 
 
Type of cluster: B*-Tree index or hash    | 
| 
 
FUNCTION   | 
 
VARCHAR2(15)   | 
 
   | 
 
If a hash cluster, the hash function   | 
| 
 
HASHKEYS   | 
 
NUMBER   | 
 
   | 
 
If a hash cluster, the number of hash keys (hash buckets)   | 
| 
 
DEGREE   | 
 
VARCHAR2(10)   | 
 
   | 
 
Number of threads per instance for scanning the cluster   | 
| 
 
INSTANCES   | 
 
VARCHAR2(10)   | 
 
   | 
 
Number of instances across which the cluster is to be scanned    | 
| 
 
CACHE   | 
 
VARCHAR2(5)   | 
 
   | 
 
Whether the cluster is to be cached in the buffer cache (CACHE | NOCACHE)   | 
| 
 
BUFFER_POOL   | 
 
VARCHAR2(7)   | 
 
   | 
 
Default buffer pool for the cluster   | 
| 
 
SINGLE_TABLE   | 
 
VARCHAR2(5)   | 
 
   | 
 
Whether this is a single-table cluster (Y or N)   |