6th July: Meet NULL the UNKNOWN
This webinar explains the notion of NULL and three-value logic in SQL to avoid poorly written queries. The training helps to better understand these key concepts and reviews the definitions of NULL and UNKNOWN.

You will have the opportunity to learn:

• The notion of NULL and the notion of UNKNOWN in SQL
• Three-value logic
• Pitfalls you may not suspect related to these concepts

13th July: SQL Advanced Part I
20th July: SQL Advanced Part II

This presentation explores complex SQL concepts such as window functions, recursive CTEs, lateral joins, etc. It provides participants with a complete understanding of their practical application in real-world scenarios and is divided into two parts to thoroughly cover the topic. Whether you are a beginner or an experienced SQL developer, this presentation will improve your skills.

You will have the opportunity to learn how to:

• Model your data
• Write complex transactional queries
• Write decision-making queries

Through interactive examples and quizzes, we will delve deep into the practical applications and use cases of these advanced SQL concepts, providing participants with a complete understanding of how to apply them in real-world scenarios. Don't miss this opportunity to develop your Postgres skills; register now!

Level: Intermediate

20th July: SQL Advanced Part II
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