
ClickHouse
@ClickHouseDB
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ClickHouse is the fastest open-source OLAP database ⚡ Download: https://t.co/3JKlDJbkcH GitHub: https://t.co/bjCe9qIetg Slack: https://t.co/d95c6jVeJm
Bay Area / Amsterdam
Joined January 2017
It’s been a while since we shared a @markhneedham video, but here’s a quick one on the Variant data type in ClickHouse. ▶️ If you’re dealing with data that doesn’t fit neatly into a fixed schema - maybe different types in the same column or evolving.
clickhouse.com
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@tylerhannan @ApacheIceberg @databricks @iskakaushik And that's a wrap. Check our reading corner at below. Try 25.7. Join us at See you soon!
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@tylerhannan @ApacheIceberg @databricks As a bonus, we have @iskakaushik sharing with us about. "ClickHouse Client Agent" - writing queries in natural language via LLM
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@tylerhannan Also in 25.7 we support inserts into existing @ApacheIceberg tables. AND . with 25.7 we support @databricks managed Iceberg tables!
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@tylerhannan And now. something interesting. LIGHTWEIGHT UPDATES. We've released a post about this today you should read in detail.
clickhouse.com
ClickHouse can do fast, declarative UPDATEs. Patch parts make it possible, with minimal I/O, instant query visibility, and high parallelism. This post breaks down the mechanics that make it all work.
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@tylerhannan Now, we are moving toward a variety of performance improvements. (I won't enumerate each of them. you should watch).
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@tylerhannan In 25.7 we add READ and WRITE grants for external data via configuration so you can enable grants separately!.
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@tylerhannan And now. and I quote "Boring Security Features". But your database should be secure, and we are making it moreso.
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@tylerhannan Sometimes words fail me when describing a ClickHouse feature. So I share the slide directly ;). "Compressed Numeric Vectors"
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@tylerhannan um. functions for conversion in color spaces?. sRGB to OKLCH!. and yes, a live demo.
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@tylerhannan In 25.7 we expand our geo support by adding 'polygonsIntersectCartesian' and 'polygonsIntersectSpherical'. Also. "wkb" (It's a well known binary. do you know it?).
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@tylerhannan Does "InternatlRateofReturn" matter to you?. You'll love this. Alos, tell us why this matters to you. We love to hear your stories!
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