[Yandex Cloud documentation](../index.md) > Yandex WebSQL > WebSQL

# Yandex WebSQL

Yandex WebSQL is a Yandex Cloud service that allows you to connect to managed database clusters, work with DBs, tables, and schemas, and run queries. It is a web-based tool that simplifies working with SQL commands by suggesting prompts.

Yandex WebSQL supports integration with Yandex MetaData Hub at the user folder level. Connections created in WebSQL automatically appear in MetaData Hub Connection Manager and vice versa.

Yandex WebSQL supports the following DB versions: <ul> <li>PostgreSQL: 12 or higher.</li> <li>MySQL: 5 or higher.</li> <li>ClickHouse®: 23 or higher.</li> <li>Redis/Valkey™ (non-sharded clusters only): 6 or higher.</li> <li>MongoDB/Yandex StoreDoc: 6 or higher</li> <li>Yandex Managed Service for Trino: 454 or higher.</li> <li>Greenplum®: 6.28 or higher.</li>     </ul>

# Yandex WebSQL

 - [Getting started](quickstart.md)

## Step-by-step guides

 - [All guides](operations/index.md)

 - [Creating a connection](operations/create-connection.md)

### Connection management

 - [All guides](operations/connect.md)

 - [Viewing information about resources](operations/view-resources-info.md)

 - [Viewing information about database objects](operations/view-db-objects-info.md)

 - [Changing connection settings](operations/change-connection-settings.md)

 - [Updating a connection](operations/update-connection.md)

 - [Adding a connection to a DB in a cluster](operations/add-connection-to-db-in-cluster.md)

 - [Deleting a connection](operations/delete-connection.md)

 - [Working with the query editor](operations/query-executor.md)

 - [Analytics and optimization with AI assistant](operations/ai-assistant.md)

 - [Working with saved queries](operations/templates.md)

 - [Working with query history](operations/history.md)

## Concepts

 - [About Yandex WebSQL](concepts/index.md)

 - [Quotas and limits](concepts/limits.md)

 - [Access management](security/index.md)

 - [Pricing policy](pricing.md)

 - [Audit Trails events](at-ref.md)

## Release notes

 - [All release notes](release-notes/index.md)