MAP_AGG for key-value pairs

Concepts: sqlMapAgg

MAP_AGG Fundamentals Basic Syntax Practical Example Consider a product configuration table: Each product now has a single row with all its settings in a map. Downstream code can access settings.color or settings.size directly without parsing. ARRAY_AGG vs MAP_AGG Choose the right aggregation based on your access pattern: Accessing Map Values If duplicate keys exist within a group, the last value wins. Ensure your data has unique keys per group or use deduplication first.