Put SQL to work.

Real business questions, real datasets. Investigate with SQL, verify your results, write up what you found, and export a report.

Projects

Measure video-platform activity, viewing trends, retention and popular content.

Aggregation · Window functions · RetentionStreamly dataset

4 milestones

Analyze event quality, conversion funnels, sessions and experiment results.

Deduplication · Funnels · SessionsSocialLoop dataset

4 milestones

Connect usage, payments and costs to understand business performance.

Ratios · Reconciliation · Multi-table analysisModelWorks dataset

4 milestones

Clean business records, build a tested model and create repeatable reports.

Data cleaning · Data modeling · ReportingNorthstar Retail dataset

6 milestones

Integrate customer and operational records into reliable sales reporting.

Integration · Incremental loading · Data qualityNorthstar CRM + ERP dataset

12 milestones

Milestone completion requires both SQL challenges and the concept check. A complete report also needs your written findings.