Complex SQL for Cohorts and Grouping | Dataford Interview Questions
Complex SQL for Cohorts and Grouping
HardWindow FunctionsCTEsSelf-Joins
Problem
How do you write efficient, complex SQL queries using window functions, CTEs, self-joins, and aggregations for cohort analysis or time-based grouping at Amplify?
Problem
How do you write efficient, complex SQL queries using window functions, CTEs, self-joins, and aggregations for cohort analysis or time-based grouping at Amplify?
Your answer
Try one AI text evaluation on us
Get structured feedback, scored against a 4-axis rubric. Premium unlocks unlimited.
