PostgreSQL internals — query flow (Medium, part 1 capture)¶

Authority: Pedagogy / blog—for release-accurate behavior use PostgreSQL and PostGIS — official documentation primary cluster.

Raw: raw/processed/2026/postgresql-deep-dive-query-flow-medium-part-1.md

Summary: Medium article tracing DBMS layers (communication, application/query planning, storage) and the path of two queries through PostgreSQL—helps ground tuning and “why did this query behave oddly?” debugging for persistent relational workloads.

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• Data storage (farm and edge stacks)
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