---
title: "HeliosDB Full Documentation"
---

# HeliosDB Full Documentation

**HeliosDB Full — multi-protocol HTAP database server**

[![License](https://img.shields.io/badge/license-SSPL--1.0-orange.svg)](https://www.mongodb.com/legal/licensing/server-side-public-license)

HeliosDB Full is source-available under SSPL-1.0 (the same licence as HeliosDB Lite; HeliosDB Nano and HeliosProxy are Apache 2.0). This site documents the public surface of the product: installation, the SQL and protocol interfaces, configuration, operations and migration.

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## Start here

| Guide | What it covers |
|-------|----------------|
| [Quick Start](https://www.heliosdb.com/docs/full/quick-starts/getting-started/quickstart/) | Run HeliosDB Full and execute your first queries |
| [Getting Started](https://www.heliosdb.com/docs/full/quick-starts/getting-started/getting_started/) | A longer introduction to the main capabilities |
| [Configuration Quick Reference](https://www.heliosdb.com/docs/full/quick-starts/getting-started/configuration_quick_reference/) | The most common configuration settings |
| [Edition Comparison](https://www.heliosdb.com/docs/full/edition_comparison_nano_lite_full/) | Nano vs Lite vs Full — which edition fits your workload |
| [FAQ](https://www.heliosdb.com/docs/full/faq/) | Frequently asked questions |

## Using HeliosDB Full

| Area | Start with |
|------|------------|
| Connecting, data types, querying | [User documentation index](https://www.heliosdb.com/docs/full/guides/user/user_documentation_index/), [Connecting](https://www.heliosdb.com/docs/full/guides/user/connecting/), [Querying](https://www.heliosdb.com/docs/full/guides/user/querying/) |
| SQL reference | [SQL reference](https://www.heliosdb.com/docs/full/reference/sql-reference/), [SQL functions](https://www.heliosdb.com/docs/full/reference/api/sql_functions/), [DDL reference](https://www.heliosdb.com/docs/full/reference/api/ddl_reference/) |
| Wire protocols | [Protocol overview](https://www.heliosdb.com/docs/full/reference/protocols/readme/), [compatibility matrix](https://www.heliosdb.com/docs/full/reference/protocols/protocol_compatibility_matrix/) |
| REST / HTTP API | [HTTP REST API](https://www.heliosdb.com/docs/full/reference/api/http_rest_api/), [API reference](https://www.heliosdb.com/docs/full/reference/api_reference/), [OpenAPI](https://www.heliosdb.com/docs/full/reference/openapi_specification/) |
| Features | [Vector search](https://www.heliosdb.com/docs/full/features/vector-search/readme/), [GraphRAG](https://www.heliosdb.com/docs/full/features/graphrag/readme/), [time series](https://www.heliosdb.com/docs/full/features/time-series/readme/), [materialized views](https://www.heliosdb.com/docs/full/features/materialized-views/readme/), [streaming](https://www.heliosdb.com/docs/full/features/streaming/cep-patterns-guide/) (planned), [WASM functions](https://www.heliosdb.com/docs/full/features/wasm/function-development-guide/) |
| Tutorials | [Tutorials](https://www.heliosdb.com/docs/full/tutorials/readme/) |

## Running it in production

| Area | Start with |
|------|------------|
| Deployment | [Production deployment overview](https://www.heliosdb.com/docs/full/deployment/production_deployment_overview/), [Docker](https://www.heliosdb.com/docs/full/deployment/production_deployment_docker/), [Kubernetes](https://www.heliosdb.com/docs/full/deployment/production_deployment_kubernetes/) |
| Configuration | [Configuration reference](https://www.heliosdb.com/docs/full/reference/configuration/) |
| Operations | [Monitoring](https://www.heliosdb.com/docs/full/operations/monitoring/monitoring_operations_guide/), [health checks](https://www.heliosdb.com/docs/full/operations/health_check_guide/), [runbooks](https://www.heliosdb.com/docs/full/operations/runbooks/readme/) |
| Security | [Security best practices](https://www.heliosdb.com/docs/full/features/security/security-best-practices/), [security quick start](https://www.heliosdb.com/docs/full/quick-starts/features/security_quick_start/) |

## Migrating to HeliosDB Full

- [Migration toolkit](https://www.heliosdb.com/docs/full/migration/migration_toolkit_guide/)
- [Database migration guides](https://www.heliosdb.com/docs/full/reference/protocols/migrations/readme/) — PostgreSQL, MySQL, MongoDB, Oracle, Cassandra, Redis, Snowflake, ClickHouse, DB2, SQL Server, SQLite

## Releases

- [Release notes](/docs/full/releases/)
- [Known limitations](https://www.heliosdb.com/docs/full/reference/known_limitations/)

## Support

- Email: support@heliosdb.com (technical support), sales@heliosdb.com (licensing and access), security@heliosdb.com (security reports)
- Community: [Discord](https://discord.gg/yTykuUrFXc)
- Website: [www.heliosdb.com](https://www.heliosdb.com/)