Avoid the Indexrangescan

Hi all

I have create a an index on the column in the table emp, empno.
create index idx_empno
on emp(empno);

select *
from emp
where empno=7900;
After the execution of the above select statement of the plan to explain how

Select stmt
full table scan
scan of the index systematic range

We avoid the indexrangescan using stuff like that.
select /*+ no_index(empe idx_empno)*/*
from emp
where empno=7900;
Select stmt
full table scan

My requirement is, withoutusing indexrangescan can we execute the select statement above.
Is there one way other than the use of indicators?

Select *.
WCP
where empno + 0 = 7900;

Tags: Database

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