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  • SQL Practice Tracks
Skill Drills
  • SQL Core 10-Exercise Track
  • SQL foundations: three drills
  • Join fundamentals: five drills
  • GROUP BY: five drills
  • CASE WHEN: five drills
  • Date functions: six drills
  • Window functions: five drills
  • Subqueries & set operations: five drills
  • Joins and aggregation: three drills
  • Event funnels: four drills
Real-World Data Cleaning
  • Real-World Data Cleaning
  • Meet the Messy Data
  • Text & categories: five drills
  • Dates & types — five drills
  • Capstone: clean & reconcile
Timed Tracks
  • Timed Tracks Overview
  • 10-Minute Foundations Sprint
  • 20-Minute Joins and KPI Sprint
  • 30-Minute Business Case Sprint
Insurance Analytics
  • Insurance Track Overview
  • Insurance Star Schema
  • Meet the Insurance Dataset
  • Data Quality Audit
  • Insurance Graded Drills (Easy → Hard)
  • Insurance KPI Assignments
  • Loss Ratio Trends & Claims Aging
  • Insurance Case Study Capstone
E-commerce Analytics
  • eCommerce Track Overview
  • eCommerce Star Schema
  • Meet the E-commerce Dataset
  • Data Quality Audit
  • eCommerce Graded Drills (Easy → Hard)
  • eCommerce KPI Assignments
  • RFM Customer Segmentation
  • Conversion Funnel Analysis
  • eCommerce Case Study Capstone
SaaS Analytics
  • SaaS Analytics Track
  • SaaS Star Schema
  • Meet the SaaS Dataset
  • SaaS Graded Drills (Easy → Hard)
  • SaaS KPI Assignments
  • SaaS Case Study Capstone
Home / Practice / Timed Tracks

Timed Tracks

Learn SQL timed tracks with practical examples and guided drills on dbSyntax.

Start with Timed Tracks Overview

Timed Tracks Overview

Timed Tracks are speed-focused autograded drills. Goal: solve realistic SQL prompts under strict time constraints keep correctness high whil...

10-Minute Foundations Sprint

This sprint trains fast correctness on core patterns. Time budget: 0-4 min: Drill 1 4-10 min: Drill 2...

20-Minute Joins and KPI Sprint

This sprint focuses on fanout-safe joins and KPI rollups. Time budget: 0-8 min: Drill 1 8-20 min: Drill 2...

30-Minute Business Case Sprint

This sprint simulates a business KPI round with multi-table insurance data. Time budget: 0-12 min: Drill 1 12-30 min: Drill 2...

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