How to Replace NULL Values in SQL? | SQL Tips and Tricks | Data Science | AlmaBetter

In SQL, NULL values are used to signify that a database table contains no data. NULL represents nothing, so they are used to represent the absence of a value. In this video we will learn how to replace NULL values in SQL.

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[prashanrpahwa]

Try to make tutorial using same in table design in db browser
and check is null n replace it with contact column value if its null

[JaySMeena]

No error seen but value is not updated in table column.? Help..