SQL Tutorial (Part 4) – Data Cleaning & Transformation in SQL (CASE, COALESCE, TRIM, REPLACE)

Автор: TheRQStudio

Загружено: 2026-01-27

Просмотров: 30

Описание: Learn how to clean and transform data in SQL using real-world examples.

In this Part 4 of my SQL Full Beginner Tutorial series, you’ll master essential SQL functions like :
CASE WHEN, COALESCE, TRIM, REPLACE, DISTINCT, IS NULL, and Aggregation skills every data analyst, data engineer, and developer needs.

This lesson is perfect for:
✔ SQL beginners
✔ Intermediate learners
✔ Anyone working with messy data
✔ Those preparing for SQL interviews

This series takes you from basic to advanced SQL, step by step.

👉 Watch till the end, like, and subscribe for more SQL tutorials.

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SQL Tutorial (Part 4) – Data Cleaning & Transformation in SQL (CASE, COALESCE, TRIM, REPLACE)

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