CTEs, Window Functions & UPSERT

Status: Planned in curriculum roadmap (phase3-databases-and-apis/01-postgresql-and-sql/02-advanced-sql-and-window-functions). Complete earlier phases first, or use the backend-course-author skill to expand this lesson.

At a glance

• Master the production mechanics of CTEs, Window Functions & UPSERT.
• Diagnose and repair common AI-generated anti-patterns in this domain.
• Apply these patterns directly to the PulseForge capstone project.