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【多选题】
关系模式中的函数依赖描述的是一个关系中属性与属性之间的依赖关系。函数依赖有完全函数依赖和部分函数依赖之分,亦有直接依赖和传递依赖之分。请问,下面哪些依赖是不好的函数依赖,需要在规范化设计的过程中分解消除。
A.
完全函数依赖
B.
部分函数依赖
C.
直接函数依赖
D.
传递函数依赖
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