ClickHouse/docs/en/getting_started/playground.md

ClickHouse Playground

ClickHouse Playground allows people to experiment with ClickHouse by running queries instantly, without setting up their own server or cluster. Several example datasets are available in Playground as well as sample queries that show ClickHouse features.

The queries are executed as read-only user. This implies some limitations:

• DDL queries are not allowed
• INSERT queries are not allowed

The following settings are also enforced:

• max_result_bytes=10485760
• max_result_rows=2000
• result_overflow_mode=break
• max_execution_time=60000

ClickHouse Playground gives the experience of m2.small Managed Service for ClickHouse instance hosted in Yandex.Cloud. More information about cloud providers.

ClickHouse Playground web interface makes requests via ClickHouse HTTP API. Playground backend is just a ClickHouse cluster without any additional server-side application. ClickHouse HTTPS endpoint is is also available as a part of Playground.

You can make queries to playground using any HTTP client, for example curl or wget, or set up a connection using JDBC or ODBC drivers. More information about software products that support ClickHouse is available here.

Parameter	Value
Endpoint	https://play-api.clickhouse.tech:8443
User	playground
Password	clickhouse

Note that this endpoint requires a secure connection.

Example:

curl "https://play-api.clickhouse.tech:8443/?query=SELECT+'Play+ClickHouse!';&user=playground&password=clickhouse&database=datasets"