ORA-55774
Rename of a reservable column, "string", is not supported.
Cause
An attempt is being made to rename a reservable column.
Action
To rename a reservable column perform the following steps:
- Specify ALTER TABLE <table_name> MODIFY (<reservable_column_name> NOT
RESERVABLE).
- Rename the column.
- Specify ALTER TABLE <table_name> MODIFY (<renamed_column_name> RESERVABLE).