文档解释
ORA-40289: duplicate attributes provided for data mining function
Cause: A duplicate, non-nested attribute was provided as input to the data mining function. A duplicate attribute is one which is present in the model signature, occurs more than once in the USING clause after tablename expansion, and is not a collection element in a nested table column.
Action: Eliminate the duplicate attribute(s).
ORA-40289: 当对数据挖掘函数提供重复属性时，会发生这个错误。
官方解释
常见案例
一般处理方法及步骤
1. 确保调用数据挖掘函数时不存在重复属性。
2. 在创建用于定义维度和度量的维度表时，要求不重复地提供合并计算列。
3. 遵循SQL语法的正确语法，确保不会提供重复属性。
