SQL for Problem Solving is designed for learners who already understand the basics of SQL and are ready to apply their skills to real-world data problems. In this hands-on course, you’ll move beyond textbook queries to tackle the challenges data analysts face every day. From diagnosing data quality issues to building rolling metrics and interpreting event data, this course gives you the toolkit to write powerful, efficient SQL queries across different dialects and complex datasets.



SQL Problem Solving
This course is part of Learn SQL Basics for Data Science Specialization

Instructor: Katrina Glaeser Poole
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What you'll learn
Validate and clean a dataset
Assess and create datasets to answer your questions
Solve problems using SQL
Build a simple testing framework to touch on AB Testing
Skills you'll gain
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9 assignments
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There are 4 modules in this course
After this module, you will be able to navigate the course environment and datasets, recall and apply key SQL concepts including joins, CTEs, and aggregation. You will be able to identify and resolve common SQL errors. You will also be able to apply structured approaches to SQL problem-solving and use diagnostic techniques to evaluate data quality. Finally, you'll be able to simplify queries using CTEs, subqueries, and pivot logic.
What's included
23 videos3 readings6 assignments
After this module, you will be able to describe how data flows to analysts in modern stacks. You will be able to write SQL queries on event and JSON-based data. You will be able to evaluate the trustworthiness of different data sources.
What's included
15 videos1 assignment1 discussion prompt
After this module, you’ll be able to design SQL queries to support reporting, metrics, and goal tracking. You'll be able to analyze data for executive dashboards, funnels, and retention. Finally, you'll be able to translate business questions into SQL-based investigations.
What's included
22 videos1 assignment1 discussion prompt
After this final module, you will be able to tackle open-ended SQL challenges with limited guidance. You'll be able to construct queries to support forecasting and recommendation systems. You'll also be able to communicate insights through effective SQL design and visualization prep.
What's included
23 videos1 reading1 assignment
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