ORA-30751
cannot disable column string from storing objects of type string.string
Cause
The user is trying to drop a type from being stored in a substitutable column or table. This error is raised due to one of the following reasons :
- the column is enabled to store instances of some subtype of the type being dropped.
- the column is enabled to store instances of only one type
Action
Fix the cause of the error and retry the operation.
ORA-30751
cannot disable column string from storing objects of type string.string
Cause
The user is trying to drop a type from being stored in a substitutable column or table. This error is raised due to one of the following reasons :
- the column is enabled to store instances of some subtype of the type being dropped.
- the column is enabled to store instances of only one type
Action
Fix the cause of the error and retry the operation.
ORA-30751
cannot disable column string from storing objects of type string.string
Cause
The user is trying to drop a type from being stored in a substitutable column or table. This error is raised due to one of the following reasons :
- the column is enabled to store instances of some subtype of the type being dropped.
- the column is enabled to store instances of only one type
Action
Fix the cause of the error and retry the operation.