A functional dependency describes a relationship between the attributes of an entity such that the value of one attribute is dependent on the value of some other attribute and is very well affected by it.
There can be various sources of information that define functional dependency. For instance, an attribute age can define the functional dependency with the attribute ID. One cannot include the voter ID if they are not above 18 years of age.
Similarly, the attribute date of joining can define the functional dependency with the attribute experience, as the experience in a particular organization can be calculated by subtracting the joining date fro the current date.
Answer:
ADVANTAGES:
First, the evolution of technology is beneficial to humans for several reasons. At the medical level, technology can help treat more sick people and consequently save many lives and combat very harmful viruses and bacteria.
2-Technology has also increased the productivity of almost every industry in the world. Thanks to technology, we can even pay with bitcoins instead of using banks
DISADVANTAGES:
1-Lack of Privacy. You might think that a quick text or IM offers more privacy than a telephone call in a crowded room. ...
2-Distraction from Real Life. ...
3-Potential for Misunderstanding. ...
4-Decline of Grammar and Spelling...
5- Near people are far and far people are near through communication technology. we have no time to sit with our relatives but constantly communicate far away people . I think this is biggest <em>disadvantage
</em>
Explanation:
It depend on all such as guess ,observation ,hypothesis and etc
