ORA-40289: duplicate attributes provided for data mining function

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。