Explain First Normal Form and provide examples. What will be ...

[Tirant22]

Explain First Normal Form and provide examples.
 
  What will be an ideal response?

Question 2

The symbol X(8 ) represents:
 
  A) eight digits.
  B) eight alphanumeric characters.
  C) a data structure or element that repeats eight times.
  D) an element that is found within eight data structures.

[soda0602]

Answer to Question 1

The First Normal Form removes repeating groups and arrays. If a column in a Customer table, for example, contained multiple phone numbers, that would be an array. If it contained multiple columns named something like Phone1, Phone2, etc., that would be a repeating group. To make the table conform to First Normal Form the phone numbers should be placed in another entity with a relation to the Customer entity.

Answer to Question 2

B

[Tirant22]

Excellent

[bulacsom]

Thanks for the timely response, appreciate it