Delay of Oracle and advanced functions

Hello

I have a scenario to find the next sal in the employee table as if two treatments are same it should not display the next paycheck to the same instead it should show the next higher salary as below

Suppose I have

EmpID Sal

1 2000

2 3000

3 3000

4 5000

So for employe_id 2, the next paycheck, I expect to be 5000, which is the next higher for 3000, so for both salary records the next 5000 paycheck.

Is it possible using lead.

I have a query, what is the default windowing clause in the function is analytic unlimited rank previous and current.

Please share your valuable thoughts

Kind regards

Fabiola

Without analytical function, but two times analysis of the following table will be the query:

SELECT EmpNo, sal,

(SELECT min (sal) FROM emp WHERE I i.sal > o.sal) next_bigger

OF emp o

WHERE empno = 7369

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