OCI-51926
ALTER VECTOR INDEX owner_name.index_name failed. Alter operation is not allowed.
- owner_name: The owner of the index.
- index_name: The index name.
Cause
This ALTER VECTOR INDEX operation is not allowed. The only ALTER operations allowed today are to change the index to Unusable, Invisible, or Visible.
Action
Instead of trying to ALTER the vector index, DROP the index and CREATE it again with the desired index properties.