Database

Apache Superset Dashboards: A Practical Guide From Someone Who Uses It Every Day

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superset dashboard

If you work with data long enough, you reach a point where spreadsheets stop being enough. Someone asks for “the same report, but for last month,” then “the same report, but by region,” then “can we see this every morning without emailing you?” That is usually the moment you start looking for a proper dashboard … Read more

How to Fix a Slow SQL Query: A Practical Guide for Data Analysts

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There is a specific kind of silence that happens when you run a query in front of someone. The spinner turns. You start talking to fill the gap. You mention that the table is quite large. Two minutes later you are apologising. Most slow queries are not slow because the database is weak or because … Read more