Scientists analysed medical data from more than 100 million people and found that the risk of stroke was 122% higher for amphetamine users and 96% higher for cocaine users compared with those who did not take the drugs.
Materialized views are one of the most powerful features in ClickHouse. They allow users to precompute transformations and aggregations at insert time, shifting work from query time to ingest time. This is commonly used to accelerate specific query patterns, reorient data under a different primary key, or feed downstream summary tables.，这一点在新收录的资料中也有详细论述
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«Запасов газа осталось на два дня». Европа становится уязвимой из-за конфликта на Ближнем Востоке. Почему?00:54