# Cassandra

> Apache Cassandra distributed NoSQL database reference. Covers CQL queries, data modeling with query-driven design, partition key strategies, consistency levels, compaction, nodetool administration, scaling, and multi-datacenter replication.

- Skill: `bytesagain/cassandra` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add bytesagain/cassandra`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bytesagain/cassandra/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: bytesagain (https://skillmd.com/u/bytesagain)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bytesagain/cassandra

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# Cassandra Reference

Distributed wide-column NoSQL database.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | Architecture, comparison |
| `cql` | Queries, types, batch |
| `modeling` | Query-driven design, partitions |
| `operations` | nodetool, consistency, scaling |