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