Skills and Responsibilities
Job adverts for BI analysts read like shopping lists: SQL, Power BI or Tableau, statistics, "excellent communication", "business acumen". The list makes more sense once you see that the job is a loop of work, and each skill serves one stage of it.
The rule
Ask, define, build, check, explain — then listen again.
These are the responsibilities of a BI analyst, and the skill each one needs:
| Stage | Responsibility | Core skill |
|---|---|---|
| Ask | Gather requirements: what decision, for whom, by when | Questioning, business understanding |
| Define | Write down each KPI's formula, filters, target and owner | Precise thinking, documentation |
| Build | Query and shape the data, then build the report or dashboard | SQL, data modelling, a BI tool |
| Check | Test that the numbers are complete, correct and consistent | Data-quality habits, basic statistics |
| Explain | Present what the numbers mean and what to do about them | Visual design, writing, presenting |
| Listen again | Collect follow-up questions and change the product | Stakeholder management |
The loop never really ends. A good dashboard triggers better questions, and those questions start the next lap.
Notice what is not on the list: running the shop's payment system, fixing laptops, or approving the marketing budget. BI analysts inform decisions; they rarely own them.
The technical skills are necessary but they are not what makes a BI analyst stand out. Plenty of people can write a GROUP BY. Fewer can hear "the dashboard looks wrong" and calmly work out whether the data, the definition or the expectation is the problem.
The shortcut
Name the stage, and you know the skill. When a task lands on your desk, ask which stage of the loop it is. That tells you what to do next and what good work looks like.
9:00 — Farah wants deliveries by courier
Ask stage. Ishaan asks what she will decide: whether to move Kolkata's parcels to a different courier next quarter.
The trap is jumping straight to Build. Ten minutes at Ask and Define saves hours of rebuilding a chart that answered the wrong question.
Drills
Answer fast — trust the rule.
Ishaan writes down that return rate means returned orders divided by delivered orders, per calendar month. Which stage is this?
A dashboard's total revenue is double the finance figure. Which stage should have caught it before anyone saw it?
Which task is NOT a core responsibility of a BI analyst?
What is the right order of the BI loop?
Farah says the courier chart "looks wrong". Which skill matters most first?
Remember
- Ask, define, build, check, explain — then listen again.
- Name the stage of any task, and you know the skill it needs.
- Trap: jumping straight to Build before the question and definitions are clear.