How to use an array in a SQL Query

Hi
I need to use an array of numbers such as a VARRAY or Associated Index Array so that I can do the following SQL:
select *
from *
where array is null or id is in array
So that if the array is empty it will return all the records, and if the array is not empty then it will return only the rows associated with the ids in the array.
Is this possible?
Regards,
Néstor Boscán

Actually, solution I posted returns all rows when VARRAY is empty, not when it is null. To return all rows when VARRAY is null, use:
SQL> select ename
2    from emp
3    where deptno in (select * from table(cast(sys.OdciNumberList(10,30) as sys.OdciNumberList)))
4       or sys.OdciNumberList(10,30) is null
5 /
ENAME
ALLEN
WARD
MARTIN
BLAKE
CLARK
KING
TURNER
JAMES
MILLER
9 rows selected.
SQL> select ename
2    from emp
3    where deptno in (select * from table(cast(null as sys.OdciNumberList)))
4       or null is null
5 /
ENAME
SMITH
ALLEN
WARD
JONES
MARTIN
BLAKE
CLARK
SCOTT
KING
TURNER
ADAMS
ENAME
JAMES
FORD
MILLER
14 rows selected.
SQL> SY.

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           2
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Hello,
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group by MASTER.GENERICCODEID
minus
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from asmtrg_icfocusgroup fg
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join asmtrg_icfocusgengroup fgg on FGG.GROUPID = FG.ID and FGg.ISACTIVE=1
where fgc.channelid=1 and fg.isactive = 1
group by FGG.GENERICCODEID
SELECT icfrd.*,
CASE
WHEN EXISTS(select ta.genericcodeid from othergenerics ta where ta.genericcodeid = icfgrp.genericcodeid) THEN -1
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LEFT JOIN ASMTRG_ICFOCUSGROUP icfgrp on icfrd.ICFGROUPID = icfgrp.ID
WHERE (channelId IS NULL OR icfrd.CHANNELID = channelId)
AND (asmCodeId IS NULL OR icfrd.ASMCODEID = asmCodeId)
AND (yearId IS NULL OR icfrd.YEARID = yearId)
AND (monthId IS NULL OR icfrd.MONTHID = monthId)
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regards
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sym.actual = 0;
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Hi there,
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Regards
Nagaraj

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