DBA_HIST_OPTIMIZER_ENV_DETAILS

DBA_HIST_OPTIMIZER_ENV_DETAILS displays parameter values for 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
NAME VARCHAR2(50)   Parameter name
VALUE VARCHAR2(25)   Parameter value
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

Note: This view is available starting with Oracle AI Database 26ai.