# Scylladb Data Modeling

> ScyllaDB CQL data modeling patterns and anti-patterns. Use when designing tables, reviewing schemas, migrating from SQL or MongoDB, or troubleshooting performance issues caused by schema problems. Triggers on "design schema", "ScyllaDB data model", "partition key", "clustering column", "primary key", "CQL table design", "ALLOW FILTERING", "large partitions", "hot partitions", "query-first design", "secondary index", "materialized view", "schema review", "wide partition", "tombstones", "time series", "BATCH", "paging", "fetch size".

## Facts
- Page: https://tashan.sh/capability/skill-scylladb-scylladb-data-modeling
- tashan id: skill:scylladb/scylladb-data-modeling
- Source: https://github.com/scylladb/agent-skills
- Type: skill
- Category: data
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: 98.0
- Freshness: 95.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: Apache-2.0
- Official: no

## Install

```sh
cp -r scylladb-data-modeling ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-05 by tashan (https://tashan.sh) from public evidence. Scorer s5.