Overview — Apache CouchDB® 3.3 Documentation

Table of Contents User Guides 1. Introduction 2. Replication 3. Design Documents 4. Best Practices Administration Guides 1. Installation 2. Setup 3. Configuration 4. Cluster Management 5. Maintenance 6. Fauxton 7. Experimental Features Reference Guides 1. API Reference 2. JSON Structure Reference 3. Query Server 4. Partitioned Databases Other 1. Release Notes 2. Security Issues / CVEs 3. Reporting

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CouchDB read operations use a Multi-Version Concurrency Control (MVCC) model where each client sees a consistent snapshot of the database from the beginning to the end of the read operation.