Every record in a table in a database must have a key(Primary Key PK) or group of keys (/Composite key) that uniquely identify that record.
Answer:
The answer is "True".
Explanation:
The variation is also known as distribution, which refers to how the information is distributed. It allows you to explain the changing amount of information collection, which helps you to associate the data with the other sets of data using figures.
- It uses to see the association between individual values in a data point rather than using wider math-making methods like grade structure.
- In the downside of variation is the fact, which brings outliers additional weight, that's why the given statement is true.
Answer:
I think it's no choice is perfect but I don't know.
Explanation:
Definitely not the last one, because making decisions doesn't mean you're the boss lol.
Answer: Narrow Margin
Explanation:
Because it’s enlarged the page