|  
 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 cluster 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 | N) 
 |