ABAP_DATA_CONCEPT

REPORT ZPATMAX_DATA_concept.
data : pat(5) value 'pat'.
data:BEGIN OF patmax,
  name(9) value 'navapat',
  age(2) type n value '22',
  END OF patmax.
write: pat,/ patmax.
types : stu_data(5) type c.
data: data1 type stu_data.
data: data2 like data1.
data1 = 'pat'.
if data1 = 'pat'.
  write : / 'if clause pat is ok'.
else.
  write : / 'not found'.
endif.
data2 = 'omg'.
write / data2.