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SQL Toolkit for Data Engineering

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David Freitag

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What you'll learn

Advanced strategies for grouping data

Explore advanced SQL keywords to group data at multiple levels with ease.

Create aggregations for data analysis

Witness key SQL aggregation functions in action.

Transform data with window functions

Step-by-step examples for using window functions to create new attributes from data.

Why this topic matters

SQL is the language of data. It's over 50 years old, and it's here to stay. To succeed in any data career, you need strong SQL skills. In just 30 minutes, you'll level up your SQL knowledge with strategies you can use for the rest of your career.

You'll learn from

David Freitag

Senior Data Engineer at American Family Insurance | 10+ years teaching/tutoring experience

David is a Senior Data Engineer at American Family Insurance, a top 10 auto insurance company in the Fortune 500. He is a career changer who started his professional life as a high school teacher before pivoting to Data Engineering. Over the last few years, he has also spent hundreds of hours tutoring students in Python, SQL, and Data Engineering skills.


The City University of New York
American Family Insurance
Pitney Bowes

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