Answer:
Functional dependency defines Boyce-Codd normal form and third normal form. This preserves dependency between attributes, eliminating the repetition of information. Functional dependency is related to a candidate key, which uniquely identifies a tuple and determines the value of all other attributes in the relation.
Answer:
a. Most of the time we provide our information on different platforms on internet, that platforms provides us password to make sure that only the person knows your password can access your information. After getting password from some particular website, we assume that our information is secured now and secret from other users that also using that website. So we can say that <em>Passwords</em> is required to keep the information secret.
b. We want to make sure that our information should be secret from those people who can create problem for us or can be harmful in terms of life and money. These peoples are known as hackers. That may use our information for some purpose that can be harmful for us or our families. These people can use these information to steel our money or personnel information.
c. We sign privacy policy certificate while creating account on the website. That certificate is a legal document that is used to maintain the privacy of the users. But we can't say, our whole information is secure.
Answer:
The answer is: letter C, For obviously misspelled queries, base the utility rating on user intent.
Explanation:
The question above is related to the job of a "Search Quality Rater." There are several guidelines which the rater needs to consider in evaluating users' queries. One of these is the "User's Intent." T<u>his refers to the goal of the user. </u>A user will type something in the search engine because he is trying to look for something.
In the event that the user "obviously" misspelled queries, the rate should be based on his intent. It should never be based on why the query was misspelled or how it was spelled. So, no matter what the query looks like, you should assume that the user is, indeed, searching for something.
Rating the query will depend upon <u>how relevant or useful it is and whether it is off topic. </u>
I'm guessing this is an opinion question so here's mine:
No, obviously not. If anything it would make the child worse and want to rebel more and try to fight to get their phone.