IS NULL operator checks whether a variable value is null : IS « PL SQL « Oracle PL / SQL

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Oracle PL / SQL » PL SQL » IS

IS NULL operator checks whether a variable value is null


 



SQL>

SQL>  DECLARE

  2     var BOOLEAN;

  3    BEGIN

  4     IF var IS NULL THEN

  5      dbms_output.put_line('It is null.');

  6     END IF;

  7    END;

  8    /

It is null.



PL/SQL procedure successfully completed.



SQL>

SQL>

SQL>

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