Welcome to a new year and a new present from Altinity! Helping developers create valuable analytics on ClickHouse is our number one priority. To this end, we have created a new documentation site to better support and document our software…
The year 2020 has been a tough one for the world. It changed the way people work, communicate and travel. It taught us to care more about family, friends, and colleagues. It highlighted the fragility of our world. Altinity and…
Editor’s Note: This blog article is also posted on the official ClickHouse blog. We would like to thank Alexey Milovidov, Ivan Blinkov, and Alexander Zaitsev for their kind assistance. One of the great “features” of ClickHouse is a friendly and…
Data loading is a critical topic when building real-time data warehouses on ClickHouse. This webinar covers three ClickHouse topics every app designer should understand: insert performance, transaction reliability, and data deduplication.
We are delighted to announce that the ClickHouse Altinity Stable Release is updated to 20.8.7.15. This release introduces many changes and new Security, Dictionary, MergeTree, SQL compatibility, and various other features.
This final article completes our tour of array capabilities. We’ll survey functions for array map and reduce operations, demonstrating behavior and commenting on performance. This is an opportunity to dig further into lambdas, which are critical for using arrays effectively.
ClickHouse arrays combine neatly with GROUP BY aggregation. We show how arrays track sequences and offer a couple of ways to do funnel analysis.
ClickHouse is a polyglot database that can talk to many external systems using dedicated engines or table functions. In modern cloud systems, the most important external system is object storage. It can hold raw data to import from or export…
ClickHouse contributors regularly add analytic features that go beyond standard SQL. This design approach is common in successful open source projects and reflects a bias toward solving real-world problems creatively. Arrays are a great example.
We continue the journey of Altinity’s enterprise QA process in ClickHouse shows how we use TestFlows open source testing framework to help us author our automated tests.
Arrays are a prominent ClickHouse SQL extension that can accelerate query speed up to 100x in well-chosen use cases. This webinar introduces ClickHouse arrays and shows how to use them effectively. We provide examples of idiomatic usage and guides you…
BERKELEY, October 1, 2020 | Altinity, the largest enterprise ClickHouse services provider, today launched its first cloud service, Altinity.CloudTM, which offers best-in-class operations, administration and maintenance to support application development with ClickHouse.
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