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Database normalization is fundamental to achieving an efficient relational database design. It encompasses a systematic approach essential for organizing data structures to minimize redundancy and reinforce data integrity.
Normalization progresses from the First Normal Form (1NF) to Boyce-Codd Normal Form (BCNF), with each level rectifying the issues present in the previous one. Understanding and implementing these principles is necessary for proper database management.
What is the purpose of Database Normalization?
To organize database data systematically, minimizing redundancy and enhancing data integrity.
How can a table be verified as First Normal Form (1NF)?
It contains only atomic values, each column has unique names, and there are no repeating groups.
What does Second Normal Form (2NF) require?
It requires the table to be in 1NF, and all non-key attributes must be fully functionally dependent on the entire primary key.
Click any card to reveal the answer
Q1
What is database normalization?
Q2
Which of the following is NOT a normal form?
Q3
What condition must a table meet to be in Second Normal Form (2NF)?
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