Data Visualization

supabase tutorial for data analysis in 2026. set up a postgres database, load CSV data, run SQL queries, and connect to BI tools. no DBA required.

dbt tutorial for analysts in 2026. learn data transformation with SQL only, no engineering required. step-by-step setup, models, tests, and your first dbt project.

power query in Excel tutorial 2026. clean, shape, and combine data with no code. step-by-step beginner guide for analysts and small business owners.

tableau prep builder tutorial 2026. clean, shape, and join data visually with no code. step-by-step walkthrough for analysts moving from spreadsheets to BI.

hotjar vs microsoft clarity compared honestly in 2026. heatmaps, session recordings, free tier limits, and which to pick for your small business or SaaS site.

amplitude vs mixpanel in 2026 compared honestly for solopreneurs. free tier limits, learning curve, key features, pricing, and which to pick for your product.

mixpanel free tier tutorial 2026 for solopreneurs. set up event tracking, build funnels, and get useful product analytics without paying. complete walkthrough.

google analytics 4 explained for non-marketers in 2026. setup, key reports, events, conversions, and the 5 numbers small business owners actually need to track.

looker studio tutorial 2026 for beginners. step-by-step from connecting your first data source to building a working business dashboard. free, no code required.

how to build a business dashboard without coding in 2026. step-by-step guide for Google Sheets, Looker Studio, and Rows.com — all free or near-free.