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NoSQL vs SQL: When to Use Each Database Type

SQL vs NoSQL comparison: relational vs document, ACID vs BASE, scaling, use cases, and choosing the right database.

Use SQL When

  • Complex queries with JOINs
  • ACID transactions are required
  • Data has clear relationships
  • Schema is stable

Use NoSQL When

  • Schema-less / evolving data
  • High write throughput
  • Horizontal scaling needed
  • Document/key-value/graph data models

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