修复ORA-02273:此唯一/主键由某些外键引用

Question

试图删除一个唯一约束我有这样的错误:

ORA-02273: this unique/primary key is referenced by some foreign keys

如何查找引用我的唯一约束的外键列表？

Answer 1

select * from all_constraints 
where constraint_type='R' and r_constraint_name='YOUR_CONSTRAINT';