| ERROR | column is referenced in a multi-column constraint |
| CAUSE | An attempt was made to drop a column referenced by some constraints. |
| ACTION | Drop all constraints referencing the dropped column or specify CASCADE CONSTRAINTS in statement. |
| ERROR | column is referenced in a multi-column constraint |
| CAUSE | An attempt was made to drop a column referenced by some constraints. |
| ACTION | Drop all constraints referencing the dropped column or specify CASCADE CONSTRAINTS in statement. |