/ RavenDB 4.0 CURRENT RavenDB 4.2 RavenDB 3.5 LEGACY RavenDB 4.1 RavenDB 4.0 RavenDB 3.0 RavenDB 2.5 RavenDB 2.0 RavenDB 1.0 Search instead for LANGUAGE General C# Java Python Node.js Start Getting Started Getting Started What's New Playground Server About Examples Unit Tests Installation Setup Wizard Setup Examples AWS Windows VM AWS Linux VM Docker on AWS EC2 Linux VM Manual Setup Deployment Considerations Running as a Service Running in a Docker Container Upgrading to a New Version System Requirements System Configuration Recommendations Client API What is a Document Store Creating Document Store Setting up Authentication and Authorization Setting up Default Database What is a Public API .NET Client Versions Session What is a Session and How Does it Work Opening a Session Storing Entities Deleting Entities Loading Entities Saving changes Querying DocumentQuery What is a Document Query How to Use NOT Operator How to Use Lucene How to Query How to Stream Query Results How to Customize Query How to Project Query Results How to Perform Group By Query How to Perform a Faceted Search How to Query a Spatial Index How to Get Query Statistics How to Use Intersect How to Perform Queries Lazily How to Work With Suggestions How to Use MoreLikeThis How to Use Search How to Use Regex How to Query With Exact Match Configuration How to Customize ID Generation for Entities How to Customize Collection Assignment for Entities How to Customize Identity Property Lookup For Entities How to Change Maximum Number of Requests per Session How to Enable Optimistic Concurrency Attachments What are Attachments Storing Loading Deleting Revisions What are Revisions Loading How to... ...clear a session ...evict entity from a session ...refresh entity ...defer operations ...perform operations lazily ...subscribe to events ...get entity id ...get and modify entity metadata ...get entity change vector ...get entity last modified ...get current session node ...check if entity has changed ...check if there are any changes on a session ...check if document exists ...ignore entity changes Operations What are Operations Delete By Query Attachments Get Attachment Put Attachment Delete Attachment Patching Single Document Set Based Compare Exchange Overview Put Compare Exchange Value Get Compare Exchange Value Get Compare Exchange Values Delete Compare Exchange Value Maintenance Get Collection Statistics Get Statistics Configuration Put Client Configuration Get Client Configuration Identities Get Identities Indexes Delete Index Disable Index Enable Index Reset Index Set Index Lock Set Index Priority Start Index Start Indexing Stop Index Stop Indexing Get Index Errors Get Index Names Get Index Get Indexes Get Terms Index Has Changed Put Indexes ETL Add ETL Update ETL Reset ETL Backup Backup Restore Encryption FAQ Server-Wide Add Database Node Compact Database Create Database Delete Databases Get Build Number Get Database Names Modify Conflict Solver Promote Database Node Restore Backup Toggle Databases State Certificates Create Client Certificate Get Certificate Get Certificates Delete Certificate Put Client Certificate Configuration Get Server Wide Client Configuration Put Server Wide Client Configuration Logs Get Logs Configuration Set Logs Configuration How to... ...switch operations to a different database Bulk Insert How to Work With Bulk Insert Operation Data Subscriptions What are Data Subscriptions Creation How to Create a Data Subscription Examples API Overview Consumption How to Consume a Data Subscription Examples API Overview Advanced topics Revisions Support Maintenance Operations Changes API What is Changes API How to Subscribe to Document Changes How to Subscribe to Index Changes How to Subscribe to Operation Changes Commands Documents Get Put Delete How to... ...get document metadata only Batches How to Send Multiple Commands Using a Batch Document Identifiers Working with Document Identifiers HiLo Algorithm Configuration Conventions Querying Serialization Load Balance & Failover Identifier generation Global Type-specific Smuggler What is Smuggler Cluster Related How Client Integrates With Replication and Cluster Document Conflict Exceptions at Client-Side Client Speed Test Cluster Node Health Check How to... ...setup aggressive caching ...store dates ...handle document relationships ...use low-level commands ...integrate with Excel FAQ What is a Collection Transaction Support Backward Compatibility Indexes Querying What is RQL Basics Filtering Paging Sorting Boosting Projections Distinct Searching Intersection Suggestions Spatial Faceted search MoreLikeThis Query vs DocumentQuery What are Indexes Creating and Deploying Indexes Indexing Basics Map Indexes Multi-Map Indexes Map-Reduce Indexes Stale Indexes Fanout Indexes Sorting & Collation Indexing Related Documents Indexing Hierarchical Data Indexing Polymorphic Data Indexing Spatial Data Indexing LINQ Extensions Converting to JSON and Accessing Metadata Boosting Analyzers Storing Data in Index Term Vectors Dynamic Fields Extending Indexes Troubleshooting Debugging Index Errors Server Administration SNMP What is SNMP Zabbix CLI (Command Line Interface) Statistics Index Administration Clustering Clustering Overview Rachis What Is Rachis Cluster Topology Consensus Operations Replication How Replication Works Replication Conflicts Change Vector Advanced Replication Replication And Embedded Instances Distribution Distributed Database Highly Available Tasks Cluster Observer Best Practice and Configuration Cluster API Configuration Configuration Options Command Line Arguments Backup Options Cluster Configuration Core Configuration Database Configuration ETL Configuration HTTP Configuration Indexing Configuration License Configuration Logs Configuration Memory Configuration Monitoring Configuration Patching Configuration Performance Hints Configuration Query Configuration Replication Configuration Security Configuration Server Configuration Storage Configuration Studio Configuration Subscription Configuration Testing Configuration Tombstone Configuration Transaction Merger Configuration Extensions Expiration Revisions Security Overview Authentication Manual Certificate Configuration Certificate Management Client Certificate Usage Certificate Renewal & Rotation Let's Encrypt Certificates Authorization Security Clearance and Permissions Encryption Encryption at Rest Database Encryption Server Store Encryption Secret Key Management Audit Log Audit Log Common Errors & FAQ Storage Storage Engine Directory Structure Customizing Raven Data Files Locations Transaction Mode Ongoing Tasks ETL ETL Basics RavenDB ETL SQL ETL External Replication Backup Overview Troubleshooting Sending Support Ticket Logging Voron Recovery Tool Knowledge Base Document Identifier Generation JavaScript Engine Numbers in RavenDB Studio Overview Server Management Server Dashboard Client Configuration Databases List View Create New Database General Flow Encrypted From Backup From Legacy Files Cluster Cluster View Add Node to Cluster Cluster Observer Database Management Documents Documents and Collections Create New Document Document View Conflicts View Indexes Indexes Overview Indexes List View Create Map Index Create Multi Map Index Create Map-Reduce Index Map-Reduce Visualizer Settings Database Record Conflict Resolution Client Configuration Document Expiraton Manage Database Group Tasks Ongoing Tasks General Info External Replication Task RavenDB ETL Task Backup Task Create Sample Data Migration Client API Introduction Document Store Conventions Patching Commands Indexes Changes API List of Differences in Public API Session Basics Advanced Querying Basics Transformers Spatial Facets and Dynamic Aggregation Suggestions MoreLikeThis DocumentQuery Server Data migration Configuration options Indexes Bundles Triggers Authentication SNMP Glossary BlittableJsonReaderObject Node Tag Database Id Etag Tombstone Raft Consensus Algorithm Raft Command Replication Factor Cluster Node RavenDB Cluster Database Group DeleteCommandData IndexQuery QueryResult StreamQueryStatistics StreamResult PatchCommandData PutCommandData Users Issues Azure Router Timeout TCP Offloading Recovering from Voron errors Understanding eventual consistency You are currently browsing legacy 4.0 version of documentation. Click here to switch to the newest 4.2 version. We can help you with migration to the latest RavenDB Contact Us Now Server Administration Clustering Configuration Extensions Security Storage Ongoing Tasks Troubleshooting Knowledge Base