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 SQLs
`TOTAL_SQL_MEM`	`NUMBER`	`NOT NULL`	Total sharable memory in bytes for SQLs
`SINGLE_USE_SQL`	`NUMBER`	`NOT NULL`	Total number of single execution SQLs
`SINGLE_USE_SQL_MEM`	`NUMBER`	`NOT NULL`	Total sharable memory in bytes for single execution SQLs
`CON_DBID`	`NUMBER`		The database ID of the PDB for the sampled session
`CON_ID`	`NUMBER`		The ID of the container that `CON_DBID` identifies. Possible values include: `0`: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. `1`: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data