DBA_HIST_SQL_SUMMARY

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