ORA-06531: Reference to uninitialized collection : Table of Number « Collections « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Collections
3. Table of Number

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>