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ORA-02260: table can have only one primary key ORACLE 报错故障修复远程处理

2023-11-05 18:02

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文档解释

ORA-02260: table can have only one primary key

Cause: Self-evident.

Action: Remove the extra primary key.

ORA-02260错误表示表只能有一个主键。

官方解释

ORA-02260错误指示在同一表中定义的第二个主键。ORA-02260的提示只适用于定义约束形式的主键；不允许表中有多个约束形式的主键，但是可以有多个列参与一个主键定义。

常见案例

该错误常见于设置主键时存在多个主键的场景。

正常处理方法及步骤

1. 确认该表中的现实有几个主键。

1. 如果有多个主键，查看是否需要把它们合并成一个单一的主键。

2. 如果不需要合并，则需要去掉第二个主键或者修改为非主键列。

3. 如果需要合并，可以先把第二个主键删除，再添加新的主键，该主键中包含以前两个主键列。

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