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BigQuery
2 items tagged BigQuery.
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What Partitioning and Clustering Actually Do Inside BigQuery
A short primer on how BigQuery stores and scans data, and why partitioning and clustering are the two levers that decide what a query actually costs.
The BigQuery Table Scan Nobody Noticed Until the Bill Did
How an unpartitioned time-series table and four parallel per-chart queries turned a device telemetry dashboard into a BigQuery cost problem, and the schema change that cut the bill by roughly 80%.