Error in the pl/sql block using associative arrays

Hello
I tried the following block of code using associative arrays.
DECLARE
   TYPE NumTab IS TABLE OF NUMBER INDEX BY BINARY_INTEGER;
   CURSOR c1 IS SELECT empno FROM emp;
   empnos NumTab;
   rows   NATURAL := 10;
BEGIN
   OPEN c1;
   FOR i in empnos.first..empnos.last LOOP
      /* The following statement fetches 10 rows (or less). */
      FETCH c1 BULK COLLECT INTO empnos LIMIT rows;
      EXIT WHEN c1%NOTFOUND;
      DBMS_OUTPUT.PUT_LINE ( empnos.next(i)); 
   END LOOP;
   CLOSE c1;
END;
and the error is
DECLARE
*
ERROR at line 1:
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at line 8
could you please let me know where I am going wrong
and please guide me where we use these associative arrays.

Thank you

Try this

DECLARE
   TYPE NumTab IS TABLE OF emp%rowtype INDEX BY PLS_INTEGER;
   CURSOR c1 IS SELECT * FROM emp;
   empnos NumTab;
   rows   INTEGER := 10;
BEGIN
  OPEN C1;
  LOOP
    FETCH c1 BULK COLLECT INTO empnos LIMIT rows;
    EXIT WHEN c1%NOTFOUND;

    FOR i IN 1..empnos.count
    LOOP
      DBMS_OUTPUT.PUT_LINE(empnos(i).empno || '/' || empnos(i).ename);
    END LOOP;
  END LOOP;
END;

Tags: Database

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