A 5-year data analyst reviews the Probability and Statistics for Business and Data Science course. Learn how to apply SQL, A/B testing, and regression to real data.
A data analyst's honest guide to building automated ETL pipelines using SSIS. Learn how to transition from manual Excel tasks to automated data workflows.
A 5-year data analyst reviews Tableau certification prep. Discover the pros, cons, and real-world skills needed for the Desktop Specialist and Analyst exams.
A data analyst's honest review of using natural language to SQL (NL2SQL) tools. Learn how to automate ad-hoc reporting and build a semantic layer safely.