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ORA-30397: multiple JOIN KEY clauses specified for the same child level ORACLE 报错故障修复远程处理

2023-11-05 05:53

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文档解释

ORA-30397: multiple JOIN KEY clauses specified for the same child level

Cause: Multiple JOIN KEY clauses were specified for a given child level in a dimension hierarchy.

Action: Eliminate the redundant JOIN KEY clauses.

ORA-30397错误消息指出，在某个子级(child level)上，指定了多个连接键(JOIN KEY)语句。官方解释表明，每个子级只能声明一个JOIN KEY，多个JOIN KEY会导致错误发生。

常见案例

一般处理方法及步骤

1.查找SQL语句中指定的JOIN KEY，并仔细检查它们是否必要。

2.确保它们按照规范的格式编写，以确保正确的格式。

3.删除多余的JOIN KEY，以确保只有一个JOIN KEY连接子级。

4.在重新执行SQL语句之前，确保检查无误。

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