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4 results in Data Analysis · Clear
Top interview questions
The ten questions you are most likely to face for each role, answered the way interviewers want to hear it.
Data Analysis
SQL and databases, from first query to interview-ready
Everything SQL interviews test, for analysts and developers alike: filtering and aggregation, every kind of join, subqueries and CTEs, window functions, indexes, transactions and normalisation, with practice queries on a realistic dataset.
10 min · 4 lessons
Data analysis with Python, pandas and dashboards
The analyst's workflow end to end: asking the right business question, cleaning messy data with pandas, exploratory analysis and the statistics you actually need, clear charts and dashboards, and presenting insights that lead to decisions.
8 min · 4 lessons