重庆思庄Oracle、Redhat认证学习论坛

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.







欢迎光临 重庆思庄Oracle、Redhat认证学习论坛 (http://bbs.cqsztech.com/) Powered by Discuz! X3.2