Cheat Sheets
SQL analysis checklist
A short, downloadable checklist for checking queries before using their results.
Sample content
Who it is for
Learners reviewing joins, aggregation and reporting queries.
What you get
- Check the grain of each table
- Review joins and null handling
- Validate aggregation and dates
How to use it
Use the checklist alongside a query review. Adapt the questions to your dataset and document any assumptions.