What is 'Query Pruning' in data warehouses?
What is 'Query Pruning' in data warehouses?
Approach: Describe skipping files based on metadata.
The ability of the engine to skip entire files or partitions by checking metadata (like min/max values) without actually opening or reading the data files.
Follow-up: How does sorting data improve pruning?
Key concepts: micro-partitions, metadata filtering.