Скачать или смотреть How To See Changes After UPDATE With RETURNING In PostgreSQL

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Learn how to use PostgreSQL RETURNING clause to view updated rows instantly after running UPDATE statements.

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Description
In this tutorial, we explore the powerful RETURNING clause in PostgreSQL that allows you to see the updated rows immediately after executing an UPDATE statement. This feature is extremely useful when you want to confirm which rows were modified, capture updated values, or use them in application workflows without running a separate SELECT query.

You'll learn how to structure UPDATE statements with RETURNING, and how to retrieve specific columns or entire rows that were modified. We also cover real-world scenarios such as auditing changes, updating and fetching in a single query, and efficient data validation.

📌 Key points covered in this video:

What is RETURNING clause and why it's useful
Syntax of UPDATE with RETURNING
Examples of updating rows and returning results
Returning specific columns vs entire row
Practical use cases in applications and debugging
💡 Whether you're developing PostgreSQL-powered apps, working on data transformation tasks, or just want to write smarter SQL, this video will give you essential knowledge to work more efficiently.

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