Use explicit cursor to fetch and store value to number variable : Explicit Cursor « Cursor « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Cursor
3. Explicit Cursor

SQL> create table myTable(
  2     x number,
  3     y char(100)
  4  );

Table created.

SQL>
SQL> insert into myTable
  2  select rownum, 'padding'
  3  from all_objects
  4  where rownum < 10001;

10000 rows created.

SQL>
SQL>
SQL>
SQL> create or replace procedure explicit is
  2    cursor explicit_cur is
  3       select 1
  4       from   myTable
  5       where  x = 1;
  6    dummy number;
  7  begin
  8    for i in 1 .. 500 loop
  9       open explicit_cur;
 10           fetch explicit_cur
 11           into dummy;
 12       close explicit_cur;
 13    end loop;
 14  end;
 15  /

Procedure created.

SQL>
SQL> drop table myTable;

Table dropped.