标题: ORA-18120: XUDY0021 - The result XDM instance [打印本页] 作者: admin 时间: 2016-8-31 11:56 标题: ORA-18120: XUDY0021 - The result XDM instance ORA-18120: XUDY0021 - The result XDM instance violates XDM constraints Cause: XDM instanceresulting from applying all the updates in a query violated
constraint specified in [XQuery/XPath Data Model (XDM)]. In this case, none of
the updates in the query were made effective. Action: None