The NVL2 is an extended version of NVL. It takes three arguments.
Syntax:-
NVL2(expression,value1,value2)
Note:- All expression and values must be of compatible data types.
If expression is not null then
return value1
else
return value2
Examples :-
create table salary(no number, sal number,bonus number);
insert into salary values(1,1000,1000);
insert into salary values(2,2000,1000);
insert into salary values(3,3000,3000);
insert into salary values(4,null,4000);
commit;
select s.*, nvl2(s.sal,s.bonus,0) as nvl2value from salary s;
NO SAL BONUS NVL2VALUE
— — —– ———————–
1 1000 1000 1000
2 2000 1000 1000
3 3000 3000 3000
4 null 4000 0
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