What is the meaning and the use of IS Null operator in queries?

      

Explain the meaning and the use of IS Null operator in queries.

  

Answers


Maurice
Finds records that are blank from the database For example, consider the SQL statement below: SELECT Last Name, FirstName, Address FROM Persons WHERE Address IS NULL.

The SQL statement above retrieves Last Name, FirstName and Address from Persons table whose address is blank.
maurice.mutuku answered the question on April 12, 2018 at 07:35


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