NULL key value in an index-by table
SQL> SQL> DECLARE 2 TYPE t_NumTab IS TABLE OF NUMBER 3 INDEX BY BINARY_INTEGER; 4 v_TempVAR t_NumTab; 5 BEGIN 6 v_TempVAR(NULL) := 4; 7 END; 8 / DECLARE * ERROR at line 1: ORA-06502: PL/SQL: numeric or value error: NULL index table key value ORA-06512: at line 6 SQL>