![]() □️Learn from Data Visualization Specialists. Learn modeling techniques, database design principles, and data governance best practices. They create data models, define data integration strategies, and ensure data quality and governance. Data architects design the overall structure and organization of data systems. Learn about communication skills, stakeholder management, and translating business problems into solutions. Business Analysts work closely with stakeholders to gather requirements, analyze data, and provide actionable insights. Learn about data extraction, transformation, and loading (ETL), as well as database management and optimization. Data engineers are responsible for designing and building pipelines that enable efficient data processing and storage. Start working with them to better understand how to generate data and using ML to predict future trends. Data scientists focus on cleaning data, extracting insights, and building predictive models. #dataanalysis #sql #sqlchallenge #datainmotion #data #dataanalytics #project #postgresql #remotejobsĪfter you become a Data Analyst you should also learn about the roles of the team you're working with to better understand the entire process of the data. It was a great project that helps strengthen my SQL skills. Find customers who have ordered the product with the highest price. For each order, determine if it was ‘Expensive’ (total over 300), ‘Affordable’ (total over 100), or ‘Cheap’.ġ0. ![]() Which product has been bought the least in terms of quantity?ĩ. Find the top 3 customers who have ordered the most distinct productsħ. Find the first order (by date) for each customer.Ħ. Which customer has made the most orders?Ĥ. Which product has the highest price? Only return a single row.Ģ. The areas of SQL covered in this case study:īasic aggregations, CASE WHEN statements, Window Functions, Joins, Date time functions, CTEs etc.ġ. PostgreSQL was used to query this SQL project. Tiny Shop Sales data consist of four tables:
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