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SQL Tutorial: How NULL value actually works in SQL? #SQLTutorial #SQLTips

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SQL Tutorial: How NULL value actually works in SQL? #SQLTutorial #SQLTips

SQL Tutorial: SQL NULL value example SQL NULL value is very important - a NULL value means an unknown, missing or inapplicable data in a database field. A NULL value is not zero or empty. NULL value does not work with comparison operator. This video explained how NULL value works and how to write NULL value query. Hope this will be helpful for ...

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