A practical guide to Snowflake's AI_SUMMARIZE_AGG aggregate function, which collapses multiple rows of text into a single summary using Snowflake Cortex AI. Covers seven usage patterns: row-level SUMMARIZE on a string literal, aggregate summarization of all rows, GROUP BY segmentation, scalar usage, multi-column concatenation, side-by-side comparison with row-level SUMMARIZE, and the instruction-driven AI_AGG alternative. Includes full SQL setup code and sample data to run each example.
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