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Home » Analytics
Database tutorial - IT technology blog
Posted inDatabase

Beyond Basic Queries: Mastering SQL Window Functions for Real-World Analytics

April 20, 2026
Upgrade your SQL skills beyond basic joins. Discover how Window Functions like RANK, LAG, and rolling averages can transform your data analysis and make your reports run 10x faster.
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Database tutorial - IT technology blog
Posted inDatabase

ClickHouse Guide: Moving from Row-Store Bottlenecks to Millisecond Analytics

April 19, 2026
Ditch slow SQL aggregations. This hands-on guide walks you through installing ClickHouse on Ubuntu and Docker, with tips on memory tuning and the powerful MergeTree engine.
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