Tag:query planning

All the articles with the tag "query planning".

• 30 MIN READ•Sep 2, 2026

  Storage-Partitioned Joins and the Bucket Transform

  How the spec-defined bucket transform lets engines skip the shuffle in joins, and how to set it up and keep it engaged in Spark.

  Apache IcebergBucketingQuery Planning
• 8 MIN READ•Apr 29, 2026

  Inside the Query Optimizer: How Engines Pick a Plan

  Query optimizers transform SQL into execution plans using rule-based rewrites, cost-based search, and adaptive runtime adjustments. Here is how each approach works.

  query optimizercost-based optimizationquery planning