
ClickHouse
ClickHouse is an open-source, high-performance columnar database management system designed for real-time analytics on large volumes of data. It enables users to generate fast and efficient analytical reports using SQL queries, making it ideal for data-intensive applications.
Actions

Insert row with ClickHouse
Insert a row into a ClickHouse database.

Lookup row with ClickHouse
Check if a row exists in your ClickHouse database.

Update row with ClickHouse
Update rows in a ClickHouse table matching a WHERE clause. Runs as a synchronous mutation (ALTER TABLE ... UPDATE), which can be slow on large tables.

Upsert row with ClickHouse
Upsert a row into a ClickHouse table. Inserts via JSONEachRow; deduplication is handled by the table engine, so the target should be a ReplacingMergeTree-family table (otherwise duplicate rows are not collapsed).
Related templates

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