SQL Playground — ClickHouse Public Demo Environment

SQL Playground is one of the open-source demo applications published by ClickHouse to show the speed and scalability of the database. It is a public demo and SQL playground built around example datasets hosted in ClickHouse. The material describes it as suited to both beginners and data enthusiasts, and as a tool for experimenting with and learning ClickHouse SQL on open data. It is updated regularly.

• Public demo environment for ClickHouse SQL
• Part of the ClickHouse demo applications collection
• Aimed at beginners and data enthusiasts
• Built on open data

The playground offers free access to over 35 diverse datasets drawn from real-world sources. These include Stack Overflow and Reddit posts, NOAA weather measurements, forex trades, YouTube statistics and GitHub events. More than 220 example queries accompany the datasets as starting points.

• 35+ datasets
• 220+ example queries
• Stack Overflow and Reddit posts
• NOAA weather measurements
• Forex trades
• YouTube statistics
• GitHub events

Users run custom SQL queries against the hosted datasets and view the results in the browser. Results can be visualised with charts to draw out insights from the underlying data. Findings can be passed on through link sharing, and users can save their own queries to revisit or refine later.

• Run custom SQL queries
• Chart-based visualisation of results
• Link sharing for findings
• Saved queries

Access is free: the source material describes the playground as offering free access to its datasets and as a free tool for learning ClickHouse SQL. It is reached directly at sql.clickhouse.com, or through the demo listing on the ClickHouse website, where it appears alongside other demos such as ClickStack, AgentHouse and ClickPy. No application or registration process is described in the source material.

• Free to use
• Reachable at sql.clickhouse.com
• Also linked from the ClickHouse demos page

SQL Playground is operated by ClickHouse, Inc., which lists its headquarters in the Bay Area, California and Amsterdam, the Netherlands. The site carries the company's trademark, privacy, security, terms of service and cookie policy notices. The playground sits within the wider set of ClickHouse demo applications.

• Operated by ClickHouse, Inc.
• HQ in the Bay Area, CA and Amsterdam, NL