SQL NOT NULL Constrain | SQL for Data Science 2025 🌟🎉
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SQL NOT NULL Constrain | SQL for Data Science 2025 🌟🎉
In this tutorial, we discuss SQL NOT NULL constraint. The NOT NULL constraint plays a critical role in ensuring data integrity by making sure that essential fields always have values. It can be applied when creating or altering a table, and it's one of the first constraints you should use to enforce valid and reliable data in your database.
TIMESTAMPS
00:00 - Chapter 5. SQL DATABASE QUERIES
00:24 - SQL DATABASE Command
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