DOT NET Interview Questions - DotNetSpider

Figure :- 10.1 Repeating groups example
For in the above example city1 and city2 are repeating.In order this table to be in First
normal form you have to modify the table structure as follows.Also not that the Customer
Name is now broken down to first name and last name (First normal form data should be
broken down to smallest unit).
Figure :- 10.2 Customer table normalized to first normal form
Second Normal form
The second normal form states that each field in a multiple field primary keytable must
be directly related to the entire primary key. Or in other words,each non-key field should
be a fact about all the fields in the primary key.
In the above table of customer , city is not linked to any primary field.
Figure :- 10.3 Normalized customer table.
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