ORA-01763: update or delete involves outer joined table ORACLE 报错 故障修复 远程处理
文档解释
ORA-01763: update or delete involves outer joined table
Cause: For deletes, the table being deleted from is outer joined to some other table. For updates, either the table being updated is outer- joined to some other table, or some table reachable from the primary table is being outer joined to a table not reachable from the primary table.
Action: Change the join specification.
这是一个Oracle数据库的错误代码,通常表示在执行UPDATE或DELETE操作期间发生了冲突。它指示受影响的表至少有一个被外部连接,而用户期望UPDATE或DELETE操作只会影响内部连接表。
ORA-01763: update or delete involves outer joined table
官方解释
ORA-01763:在执行UPDATE或DELETE操作期间发生出错:该语句中的表至少有一个与外部连接相关的表,而用户期望它只会影响有内部连接的表。
常见案例
此错误主要发生在尝试删除或更新表中数据后时报出。例如,当用户尝试删除表中包括外部连接表时,会报出此错误。
正常处理方法及步骤
1. 检查UPDATE/DELETE语句是否包含外部连接;
2. 替换外联接为内连接;
3. 先更新或删除外部连接表,然后再更新或删除其他表;
4. 在执行UPDATE/DELETE操作之前,使用SET TRANSACTION ISOLATION LEVEL SERIALIZABLE选项,确保UPDATE操作的可重复性。