Flattening an array increases totals unexpectedly
The order total appears once per item and an aggregate overstates revenue.
Explore →SARAVANA KUMAR · TECHNICAL KNOWLEDGE
Snowflake problems & solutions
Investigate the symptom, test the likely cause and check the outcome. All scenarios are illustrative learning cases.
4 detailed problems and solutions · Illustrative learning cases
Two source rows share the same winning version
A latest-row selection has no meaningful way to choose one value, or a merge fails with ambiguous matches.
Explore →A safe numeric cast silently lowers a total
Count rejected conversions instead of allowing SUM to conceal invalid input.
Explore →A running total jumps across equal timestamps
Choose an explicit ROWS frame and deterministic ordering for event-by-event totals.
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