OTHER_TAG of plan_table include | PARALLEL_COMBINED_WITH_CHILD | |
| PARALLEL_COMBINED_WITH_PARENT | |
| PARALLEL_FROM_SERIAL | |
| PARALLEL_TO_PARALLEL | |
| PARALLEL_TO_SERIAL | |
| SERIAL | ? |
| SERIAL_FROM_REMOTE | Column OTHER contains an SQL statement with a /*+ opaque_transform */ hint. |
| SINGLE_COMBINED_WITH_PARENT | |
| SINGLE_COMBINED_WITH_CHILD |