NoSQL Considerations: When to Use Document, Key-Value, or Column Stores
NoSQL Considerations: When to Use Document, Key-Value, or Column Stores NoSQL databases come in several flavors. Three common families are document stores, key-value stores, and column stores. Each one has a different data model, a set of strengths, and typical use cases. Understanding these helps avoid overengineering a simple app or underinvesting in a scalable solution. Document stores store data as documents, often JSON or similar. They handle nested structures well and let you evolve schemas gradually. Use a document store when your data looks like objects with fields, and you need powerful queries on those fields. Example: a user profile with name, address, preferences, and a history of actions. ...