azure-cosmosdb
Installation
SKILL.md
Azure Cosmos DB — Comprehensive Reference
Azure Cosmos DB is Microsoft's globally distributed, multi-model NoSQL database with single-digit millisecond latency, elastic scalability, and five consistency models.
1. API Models
| API | Wire Protocol | Best For |
|---|---|---|
| NoSQL (SQL) | Cosmos-native | JSON documents, SQL-like queries |
| MongoDB | MongoDB 4.x–6.x | Existing Mongo apps, ODM compatibility |
| Cassandra | CQL v4 | Wide-column, time-series, IoT |
| Gremlin | Apache TinkerPop | Graph traversal, fraud detection |
| Table | Azure Table Storage | Key-value, lift-and-shift |
| PostgreSQL | PostgreSQL wire | Relational + Citus distributed extension |
Choose NoSQL for new projects unless you have an existing driver dependency.