CouchDB

CouchDB is an open-source document-oriented NoSQL database that uses JSON to store data, JavaScript as its query language, and HTTP as its API. It is known for its multi-master replication and offline-first capabilities, making it suitable for applications that need to work in distributed or occasionally connected environments.

Key Characteristics

• Document-Oriented: Stores data in JSON documents
• HTTP API: Uses HTTP as its primary API
• Multi-Master Replication: Supports multi-master replication
• Offline-First: Designed for offline-first applications

Advantages

• Replication: Excellent replication capabilities
• Offline Support: Works well in offline environments
• Simple API: Simple HTTP-based API
• Open Source: Free and open-source

Disadvantages

• Performance: Can be slower than other databases
• Query Limitations: Limited query capabilities
• Memory Usage: Can consume significant memory
• Scalability: Limited scalability options

Best Practices

• Plan for replication strategies
• Design views carefully for queries
• Monitor resource usage
• Implement proper backup procedures

Use Cases

• Mobile applications with offline capabilities
• Distributed applications
• Content management systems
• Applications with multiple data centers