| Oracle® Database Reference 10g Release 2 (10.2) Part Number B14237-03  | 
  | 
  | 
View PDF | 
DBA_HIST_SQL_SUMMARY displays historical SQL summary information.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
SNAP_ID | 
NUMBER | 
NOT NULL | 
Unique snapshot ID | 
DBID | 
NUMBER | 
NOT NULL | 
Database ID for the snapshot | 
INSTANCE_NUMBER | 
NUMBER | 
NOT NULL | 
Instance number for the snapshot | 
TOTAL_SQL | 
NUMBER | 
NOT NULL | 
Total number of SQL | 
TOTAL_SQL_MEM | 
NUMBER | 
NOT NULL | 
Total memory usage of SQL | 
SINGLE_USE_SQL | 
NUMBER | 
NOT NULL | 
Number of single use SQL | 
SINGLE_USE_SQL_MEM | 
NUMBER | 
NOT NULL | 
Total memory usage of single use SQL |