Lesson 12

How does bigquery process a WHERE clause filter on a partitioned table with 10 billion rows

Name: How does bigquery process a WHERE clause filter on a partitioned table with 10 billion rows
Uploaded: 2026-05-06T19:00:00.348Z
Duration: 3 min 28 s
Description: In Google Cloud BigQuery, when you use a WHERE clause on a partitioned table, BigQuery does not scan all 10 billion rows. Instead, it uses:to scan only the required partitions. This makes queries much faster and cheaper. Partition Pruning Partition pruning is the process where BigQuery reads only the relevant partitions based on the WHERE clause filter instead of scanning the full table.

In Google Cloud BigQuery, when you use a WHERE clause on a partitioned table, BigQuery does not scan all 10 billion rows. Instead, it uses:to scan only the required partitions. This makes queries much faster and cheaper. Partition Pruning Partition pruning is the process where BigQuery reads only the relevant partitions based on the WHERE clause filter instead of scanning the full table.

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