Choose NoSQL When You Need:
1. Flexible, Scalable Data
- Your data schema evolves over time
- You need to handle unstructured or semi-structured data
- Every record can have different fields
2. High Performance at Scale
- You’re dealing with massive amounts of data
- Low-latency reads/writes are critical
- Horizontal scaling is a priority
3. Schema-less Design
- Your data structure is dynamic or unpredictable
- You need rapid iteration without schema migrations
- Your use case benefits from document, key-value, or graph models
4. Your Data is Non-Relational
- You’re storing hierarchical or nested data
- Relationships are simple or handled in-app
- You prioritize speed and scalability over complex joins