Practice

Insurance Track Overview

This track is designed to feel like real insurance analytics work, not isolated SQL snippets.

You will practice:

  • policy portfolio analysis
  • written and earned premium metrics
  • claims and loss-ratio style calculations
  • fanout-safe modeling patterns

Prerequisites #

  • SQL joins and grouped aggregations
  • CTE basics
  • ratio metrics with NULLIF to avoid divide-by-zero

Track Flow #

Milestones and Exit Criteria #

Milestone A: pass all easy drills and at least one medium drill.
Milestone B: pass at least one hard drill, then complete the KPI assignments.
Milestone C: complete capstone query and explain your metric tradeoffs.

Exit criteria:

  • pass at least 80% of graded checks across drills + assignments
  • complete capstone with a fanout-safe query shape

Warm-up Query #

Loading SQL editor...
Tip

When solving insurance KPIs, always define metric grain first (policy, customer, or month) before joining tables.