DBA_HIST_OPTIMIZER_ENV

DBA_HIST_OPTIMIZER_ENV displays the optimizer environments that have been captured in the Workload Repository.

This view is used with the DBA_HIST_SQLSTAT view.

Column	Datatype	NULL	Description
DBID	NUMBER	NOT NULL	Database ID
OPTIMIZER_ENV_HASH_VALUE	NUMBER	NOT NULL	Hash value for the optimizer environment
OPTIMIZER_ENV	RAW(2000)		Optimizer environment
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

See Also: “DBA_HIST_SQLSTAT”