标题: ORA-30751: cannot disable column string from storing objects of type string.s... [打印本页] 作者: admin 时间: 2016-9-5 15:41 标题: ORA-30751: cannot disable column string from storing objects of type string.s... ORA-30751: cannot disable column string from storing objects of type string.string Cause: The user is trying todrop 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 theerror and retry the operation.