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Oracle » PL-SQL » NVL » NULL

NVL Function

     




This function allows you to deal with nulls in arithmetic expressions, in addition to making reports more user-friendly.





Example:


select first_name, last_name, nvl( spouse_name, 'Not Married' )
from employee ;


In this example, the string "Not Married" is displayed if the spouse_name is null.








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