标题: ORA-19239: XPTY0019 - It is a type error [打印本页] 作者: admin 时间: 2016-8-31 12:46 标题: ORA-19239: XPTY0019 - It is a type error ORA-19239: XPTY0019 -It is a type error if the result of an step (other than the last step) in a path expression contains an atomic value Cause: The step expression returned a sequence containing anatomic value. Action: Fixthe path expression to return only nodes.