Document-Oriented Storage

• JSON document model for flexible schema design

• Attachment support for binary data storage

• Revision-based document versioning

• ACID semantics for reliable data integrity

• Bulk operations for efficient batch processing

• Optimistic concurrency with revision tracking

Synchronization Built-in

• Multi-master replication for distributed data

• Bi-directional sync between any CouchDB instances

• Incremental replication with change tracking

• Conflict detection and resolution strategies

• Filtered replication for selective data sync

• Checkpoint-based resumable replication

Offline-First Capabilities

• Local-first data access for mobile applications

• Seamless offline to online transition

• Automatic conflict management

• Background sync when connectivity returns

• PouchDB integration for browser-based applications

• Data synchronization across devices

Scalable Architecture

• Distributed clustering with no single point of failure

• Consistent hash-based sharding for horizontal scaling

• Elastic cluster membership changes

• Zero-downtime scaling operations

• Multi-datacenter support for geographic distribution

• Configurable quorum-based consistency

Powerful Queries

• MapReduce views for indexed queries

• Secondary indexes for efficient data access

• Full-text search through integration

• Mango Query for MongoDB-style querying

• Aggregation functions for data analysis

• Range queries for numeric and string data

RESTful API

• HTTP/JSON interface for all operations

• Simple CRUD operations with standard methods

• Cross-platform compatibility

• Streaming APIs for change notifications

• Attachment handling via standard HTTP

• Batch operations for efficiency

Security Features

• Role-based access control

• Database-level security

• Document-level access control

• SSL/TLS support for encrypted connections

• Proxy authentication support

• OAuth integration capability

Developer Experience

• Built-in administration web interface (Fauxton)

• RESTful API for programmatic access

• Client libraries for all major languages

• Comprehensive documentation

• Active open-source community

• Debugging and monitoring tools

Enterprise Readiness

• Clustering for high availability

• Backup and disaster recovery options

• Performance monitoring and optimization

• Multi-tenant architecture support

• Cross-datacenter replication