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Understanding NULL in MySQL: What It Means and How to Use It
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In this video, we explain the concept of NULL in MySQL, which represents missing or unknown values in a database. You’ll learn:
• What NULL is and how it’s different from zero and empty strings.
• How to check for NULL values using SQL.
• How to handle NULL in queries and functions like IS NULL, IS NOT NULL, COALESCE(), and IFNULL().
Whether you’re new to databases or need a refresher, this video provides a simple, clear explanation of handling NULL in MySQL. Don’t forget to like, subscribe, and comment for more database tutorials!
• What NULL is and how it’s different from zero and empty strings.
• How to check for NULL values using SQL.
• How to handle NULL in queries and functions like IS NULL, IS NOT NULL, COALESCE(), and IFNULL().
Whether you’re new to databases or need a refresher, this video provides a simple, clear explanation of handling NULL in MySQL. Don’t forget to like, subscribe, and comment for more database tutorials!