12 Questions
Which normal form is considered the minimum level of normalization?
First normal form (1NF)
What is the primary goal of normalization?
Enhancing data integrity
______ constraint states that no primary key value can be null.
Entity-Integrity
Which of the following are anomalies that can be caused by redundancies in a table?
All of the above
How does normalization help in maintaining data consistency?
By avoiding data duplicity
What attribute is required for a primary key?
It should rarely be changed.
By normalizing relations or set or relations, one minimizes ______
redundancy
Which of the following is NOT a type of Normal Form?
10NF
Which type of anomaly occurs when one cannot insert a new tuple into a relationship due to a lack of data?
Insertion anomaly
What is the purpose of a primary key in a normalized database?
To ensure uniqueness and identify each record
What is the purpose of data normalization in database design?
All of the above
How does normalization help in maintaining data consistency?
By avoiding data duplicity
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