REPORT  z10_08.

TYPES: BEGIN OF t_line,

             col1 TYPE c,

             col2 TYPE c,

             END OF t_line.

DATA : gs_str TYPE t_line.

DATA : gv_fname(4) TYPE c VALUE 'COL1'.

DATA : gt_itab1 TYPE SORTED TABLE OF t_line WITH UNIQUE KEY col1.

DATA : gt_itab2 TYPE HASHED TABLE OF t_line WITH UNIQUE KEY col1.

DATA : gt_itab3 TYPE STANDARD TABLE OF t_line.

DATA : gt_itab4 TYPE t_line OCCURS 0 WITH HEADER LINE.

FIELD-SYMBOLS <fs> TYPE ANY TABLE.

ASSIGN gt_itab1 TO <fs>.

READ TABLE <fs> WITH TABLE KEY (gv_fname) = 'X' INTO gs_str.