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Machine Learning Features

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01.22 2026

Ask HN: Distributed SQL engine for ultra-wide tables

January 22, 2026

The challenge of managing "ultra-wide tables"—datasets featuring hundreds of thousands to millions of columns—is a significant hurdle in domains like machine learning feature engineering and multi-omi

Machine Learning Features Array Databases Columnar Databases Data Architecture Data Formats Data Performance Distributed SQL Multi-omics Sparse Matrices Ultra-wide Tables

Ask HN: Distributed SQL engine for ultra-wide tables

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