# Wide-Column Stores

## 🎯 Goals

- [ ] Understand column families and sparse storage
- [ ] Know typical large-scale, write-heavy use cases

## 📚 Checklist

- [ ] Learn basics of Cassandra or HBase
- [ ] Model time-series or event data in a wide-column style
- [ ] Understand partition keys and clustering keys

## 🔗 Related

- [[04 - Big Data]]
- [[Sharding]]
- [[03 - NoSQL]]