Glossary term
What is Key-value store (KV store)?
Key-value store stands for KV store.
Stores values by key. Example: session:abc → {user: 42}.
Learn it properly · System DesignLesson 20: SQL vs NoSQL: Picking the Right Data Model“SQL or NoSQL?” is the wrong question; the right one is “what shape is my data, and how will I read and write it?” The relational model and the four NoSQL families — key-value, document, wide-column and graph — what each is good at, the myths to drop, and a sensible default.