SQL Problem Solving for Data Analysis (Advent of SQL 2025)
Solve 25 SQL problems of varying difficulty levels. This is a commentary lecture for Advent of SQL 2025, and upon completing the course, you can finish the advent calendar and earn a badge.
119 learners
Level Intermediate
Course period Unlimited
๐จ Closing today, 50% discount event for Data Analysis Camp
Hello, Datarian has prepared an appreciation event to celebrate its 5th anniversary.
At the SQL Data Analysis Camp, where you can learn the most commonly used data analysis frameworks in practice through SQL, you can enroll at a 50% discount if you apply now.
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If you've been thinking that you can no longer put off applying data analysis to your work!
Enroll now and learn directly from data analysts who have worked at Coupang, Ridi, and JobPlanet.
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Go to SQL Data Analysis Camp (50% discount, until midnight tonight)
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SQL Data Analysis Camp | After taking this package, you will be transformed like this
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โ Why did our company's sales drop? You can analyze it yourself using SQL.
โ You can perform RFM customer segmentation analysis by identifying customers who have made large or frequent purchases in our service.
โ You can perform funnel analysis to see how users entered through marketing and what purchase conversions were made.
โ You can obtain and check user retention rate data through retention analysis.
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Free




