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Read business data with SQL

A Statground study plan from retrieval to a verified summary report.

4 weeks · about 6 hours a week

Before you start: An understanding of table rows and columns.

  1. Find the right rows

    Write ten retrieval queries using SELECT, WHERE and ORDER BY.

    6 hoursFind related courses →

  2. Summarize with groups

    Use GROUP BY and HAVING to build monthly and category summaries.

    6 hoursFind related courses →

  3. Validate joins

    Handle JOIN, NULL and duplicate keys; reconcile row counts before and after joins.

    6 hoursFind related courses →

  4. Finish an analysis query

    Use window functions and CTEs for monthly rankings; validate against totals.

    6 hoursFind related courses →

Times are suggested study budgets including practice, not course video durations.

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