Which of the following forms says "Each Column Type is Unique."

Options
- 1NF
- 2NF
- 3NF
- 4NF

CORRECT ANSWER : 1NF

Discussion Board
Computer science

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THANGATHAI 11-12-2018 11:27 AM

Explanation.

Answer : 1NF.

A database is in first normal form if it satisfies the following conditions:

Contains only atomic values.
There are no repeating groups.
Define the data items required, because they become the columns in a table. Place related data items in a table.


Jayesh Sonar 03-2-2015 03:34 AM

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