| ERROR | ALTER INDEX VISIBLE|INVISIBLE may not be used with certain types of index |
| CAUSE | Using the ALTER INDEX VISIBLE|INVISIBLE statement on certain types of indexes (IOT-TOP, Cluster indexes) is illegal. |
| ACTION | Remove the option VISIBLE|INVISIBLE. |
| ERROR | ALTER INDEX VISIBLE|INVISIBLE may not be used with certain types of index |
| CAUSE | Using the ALTER INDEX VISIBLE|INVISIBLE statement on certain types of indexes (IOT-TOP, Cluster indexes) is illegal. |
| ACTION | Remove the option VISIBLE|INVISIBLE. |