SQL>
SQL> declare
2 Type numberTableType is TABLE OF NUMBER;
3 v_numarray1 numberTableType;
4 begin
5 if v_numarray1 IS NULL then
6 dbms_output.put_line('v_numarray1 is null');
7 end if;
8 if v_numarray1(1) IS NULL then
9 dbms_output.put_line('The first element of v_numarray1 is null');
10 end if;
11 end;
12 /
v_numarray1 is null
declare
*
ERROR at line 1:
ORA-06531: Reference to uninitialized collection
ORA-06512: at line 8
SQL>