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Database Types - Coggle Diagram
Database Types
Key-Value (Radis, Memcached)
Very Fast
Expensive?
Unique keys on known data
Used for Caching
Relational
Pros
Well Structured
Uses SQL to manipulate the data
Fast
updating
Supports ACID
Cons
Low read performance
Vertical Scaling Only?
Difficult ORM
Document (Mongo)
Pros
Objects with different structure
Easy objects mapping
Schema Validation
Fast
querying
Horizontal Scaling
Cons
Slow
updating
Atomic transactions not supported
Graph (Neo4j, InfiniteGraph)
Columnar (Cassandra)