单选题禁用约束时出现下列错误：ORA-02297：cannot disable constraint-dependencies exist。这个错误是由于禁止下列哪个约束造成的？（）A检查约束B非NULL约束C外键约束D惟一约束
单选题
禁用约束时出现下列错误：ORA-02297：cannot disable constraint-dependencies exist。这个错误是由于禁止下列哪个约束造成的？（）
A
检查约束
B
非NULL约束
C
外键约束
D
惟一约束
参考解析
解析：
暂无解析
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