REPORT  Z07_011                                                     .
TYPES: BEGIN OF line,
         col1 TYPE i,
         col2 TYPE i,
         col3 TYPE i,
       END OF line.
*DATA itab TYPE standard TABLE OF line WITH KEY col1
*               WITH HEADER LINE.

DATA itab TYPE hashed TABLE OF line WITH UNIQUE KEY col1
               WITH HEADER LINE.
*DATA itab TYPE sorted TABLE OF line WITH UNIQUE KEY col1
*               WITH HEADER LINE.

DO 1500000 TIMES.
  itab-col1 = sy-index.
  itab-col2 = sy-index.
  itab-col3 = sy-index.
  INSERT TABLE itab.
ENDDO.

READ TABLE itab with key col1 = 999999.