DBA_HIST_PLAN_OPERATION_NAME contains a list of row source operations
In Oracle 12.1.0.2 DBA_HIST_PLAN_OPERATION_NAME has the following columns:
| Name | Data Type |
| DBID | NUMBER |
| OPERATION_ID | NUMBER |
| OPERATION_NAME | VARCHAR2(64) |
| CON_DBID | NUMBER |
| CON_ID | NUMBER |
The following table summarizes the number of operations in various releases:
| Version | # Operations |
| 11.2.0.3 | 130 |
| 12.1.0.2 | 144 |