Answer
1NF: No repeating groups; atomic values.
2NF: Remove partial dependencies.
3NF: Remove transitive dependencies.
Quick Answer
1NF: each cell holds one atomic value, no repeating groups. 2NF: no partial dependency — every non-key column depends on the whole primary key. 3NF: no transitive dependency — non-key columns depend only on the primary key, not on each other. Each level builds on the previous.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ