SNAP_ID 
NUMBER 

Unique snapshot ID 
DBID 
NUMBER 

Database ID for the snapshot 
INSTANCE_NUMBER 
NUMBER 

Instance number for the snapshot 
TS# 
NUMBER 

Tablespace number 
OBJ# 
NUMBER 

Dictionary object number 
DATAOBJ# 
NUMBER 

Data object number 
LOGICAL_READS_TOTAL 
NUMBER 

Cumulative value for logical reads 
LOGICAL_READS_DELTA 
NUMBER 

Delta value for logical reads 
BUFFER_BUSY_WAITS_TOTAL 
NUMBER 

Cumulative value for buffer busy waits 
BUFFER_BUSY_WAITS_DELTA 
NUMBER 

Delta value for buffer busy waits 
DB_BLOCK_CHANGES_TOTAL 
NUMBER 

Cumulative value for db block changes 
DB_BLOCK_CHANGES_DELTA 
NUMBER 

Delta value for db block changes 
PHYSICAL_READS_TOTAL 
NUMBER 

Cumulative value for physical reads 
PHYSICAL_READS_DELTA 
NUMBER 

Delta value for physical reads 
PHYSICAL_WRITES_TOTAL 
NUMBER 

Cumulative value for physical writes 
PHYSICAL_WRITES_DELTA 
NUMBER 

Delta value for physical writes 
PHYSICAL_READS_DIRECT_TOTAL 
NUMBER 

Cumulative value for physical reads direct 
PHYSICAL_READS_DIRECT_DELTA 
NUMBER 

Delta value for physical reads direct 
PHYSICAL_WRITES_DIRECT_TOTAL 
NUMBER 

Cumulative value for physical writes direct 
PHYSICAL_WRITES_DIRECT_DELTA 
NUMBER 

Delta value for physical writes direct 
ITL_WAITS_TOTAL 
NUMBER 

Cumulative value for ITL waits 
ITL_WAITS_DELTA 
NUMBER 

Delta value for ITL waits 
ROW_LOCK_WAITS_TOTAL 
NUMBER 

Cumulative value for row lock waits 
ROW_LOCK_WAITS_DELTA 
NUMBER 

Delta value for row lock waits 
GC_CR_BLOCKS_SERVED_TOTAL 
NUMBER 

Cumulative value for global cache CR blocks served 
GC_CR_BLOCKS_SERVED_DELTA 
NUMBER 

Delta value for global cache CR blocks served 
GC_CU_BLOCKS_SERVED_TOTAL 
NUMBER 

Cumulative value for global cache current blocks served 
GC_CU_BLOCKS_SERVED_DELTA 
NUMBER 

Delta value for global cache current blocks served 
SPACE_USED_TOTAL 
NUMBER 

Cumulative value for space used 
SPACE_USED_DELTA 
NUMBER 

Delta value for space used 
SPACE_ALLOCATED_TOTAL 
NUMBER 

Cumulative value for space allocated 
SPACE_ALLOCATED_DELTA 
NUMBER 

Delta value for space allocated 
TABLE_SCANS_TOTAL 
NUMBER 

Cumulative value for table scans 
TABLE_SCANS_DELTA 
NUMBER 

Delta value for table scans 