Learn SQL String Functions in One Video | Healthcare Data | Intermediate SQL Tutorial
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If SQL string functions still feel confusing, this video is going to clean that up fast. We are breaking down the most important MySQL string functions in a simple, practical way so you can actually understand when to use them and why they matter in real data work.
This tutorial is for anyone learning SQL who wants to get better at cleaning, transforming, and working with text fields. If you are a beginner moving into intermediate SQL, or you want hands on examples that feel closer to real world healthcare style data, this lesson will help you build confidence with functions you are likely to use on the job.
In this video, you will learn:
• How to change text case using UPPER, LOWER, UCASE, and LCASE
• The difference between LENGTH and CHAR_LENGTH and why bytes vs characters matters
• How to combine text values using CONCAT for cleaner, more readable outputs
• How to extract parts of a string with LEFT, RIGHT, and SUBSTRING
• How to clean text with TRIM, LTRIM, and RTRIM
• How to replace and locate text using REPLACE and LOCATE
• Why string functions are so important when working with messy real world data
If you are searching for a SQL string functions tutorial, MySQL string functions explained, or an intermediate SQL tutorial with practical examples, this video is built for that. We cover the core text functions that help you clean data, format columns, extract strings, and transform raw values into something much more useful. These are the kinds of SQL skills that make your queries stronger and your data work more realistic.
If this video helps you, subscribe to the channel, like the video, and check out the rest of my SQL tutorial series so you can keep building your SQL skills step by step.
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The goal for Informessor is to provide comprehensive, up-to-date, and engaging content that spans the vast landscape of health informatics. We'll cover topics on artificial intelligence, healthcare technology, data analytics, give out healthcare career advice, and more! From in-depth videos on the latest trends and technologies to insightful discussions on career paths and educational opportunities, Informessor wants to help educate and inspire.
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