Catalog
8 branches of analytics, product and AI interview questions
Explore eight skill tracks, called branches, filterable by subtopic, company, tool and difficulty. SQL questions run against sample tables, choice and numeric answers are checked instantly, and written cases are scored against evaluation criteria.
Filters (2)
Branches
Subtopics
Access
Free onlyQuestion type
Type to find a company, then pick it from the list below.
Tool
3 questions
Choosing the fact table grain
Pick the right grain for an order-line fact table.
Quick check · Modeling · dbt · 6 min · Easy
SQL & Data Modeling · Original Uplift question
Which change needs a Type 2 dimension
You maintain a customer dimension.
Quick check · Modeling · 6 min · Medium
SQL & Data Modeling · Original Uplift question
Join each invoice to the plan in effect
ProEach plan_history row starts a new plan period for an account and remains effective until the next change.
Live SQL · Modeling · PostgreSQL · 22 min · Hard
SQL & Data Modeling · Original Uplift question