What are the different normal forms in database design?
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Can you explain what normal forms are in database design?
Normal forms are guidelines for structuring a relational database to reduce redundancy and improve data integrity.
What are the different types of normal forms?
There are several normal forms: 1NF (First Normal Form), 2NF (Second Normal Form), 3NF (Third Normal Form), BCNF (Boyce-Codd Normal Form), and higher forms like 4NF and 5NF.
What is the purpose of each normal form?
Each normal form addresses specific types of redundancy and dependency issues, ensuring that the database is efficient and consistent.
Can you give an example of a table in 1NF?
Sure! A table is in 1NF if it has no repeating groups and each cell contains atomic values. For example, a table of students with unique IDs and single values for names and courses.
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