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Explain normalization and its disadvantages.

SQLmedium0.3 min readPremium
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58 wordsInterview-ready
**Architectural Logic**: Normalization reduces redundancy; can hurt read performance. **Normalization**: 1NF–3NF, BCNF; eliminates redundancy; ensures integrity. **Advantages**: Consistency; efficient updates. **Disadvantages**: More joins; can hurt read performance; complexity. **Analytics**: Denormalization often preferred. **Trade-off**: Normalize OLTP for integrity; denormalize OLAP for reads. **Best Practice**: Use normalization where updates matter; denormalize where reads dominate....
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