文档解释
ORA-31003: Parent string already contains child entry string
Cause: An attempt was made to insert a duplicate child into the XDB hierarchical resolver.
Action: Insert a unique name into the container.
ORA-31003: Parent string already contains child entry string 错误指示父字符串已经包含了子字符串。
官方解释
ORA-31003: parent string already contains child entry string
Cause: The parent string already contains the specific child entry.
Action: Choose another parent string or child entry.
常见案例
一般处理方法及步骤
1、检查索引树结构，确认哪一层次包含了指定叶子节点。
2、如果叶子节点存在，就要将其更新或删除，完成调整。如果叶子节点不存在，就要添加对应的叶子节点，完成调整。
3、完成树的重新调整。
