Questions tagged [clickhouse]

Use this tag when referencing Yandex' ClickHouse database management system.

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Continuously move data from server A to Server B while deleting the data in server A?

I'm developing an ad server that is expected to handle ad impressions/billion clicks per day. The most difficult challenge I am facing is moving data from one server to another. Basically the flow ...
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Correlated subqueries. Count Visits after Last Purchase Date

I'm pretty new to SQL and have been trying to solve this task for a while...still no luck. I would appreciate if someone here could help me out. I have a database with columns: ClientID VisitID ...