What is the difference between Redis and traditional relational databases?

beginner

Re-explain

Aspect	Redis	Relational Database
Storage	In-memory	Disk-based
Data Model	Key-value, NoSQL	Relational tables
Schema	Schema-less	Fixed schema
ACID	Limited ACID properties	Full ACID compliance
Performance	Extremely fast (microseconds)	Slower (milliseconds)
Persistence	Optional	Always persistent
Query Language	Commands	SQL
Relationships	No joins	Complex relationships
Use Cases	Caching, sessions, real-time	Complex business logic

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