Read database tabels into internal table

1. read the records one by one, moving selected records to the internal table
2. Read all records
3. Read all or selected records in one step
4. Reading selected fields using INTO

1. read the records one by one, moving selected records to the internal table

SELECT * FROM table.
  MOVE table-col TO ITAB-col.
  APPEND ITAB.
ENDSELECT.

2. Read all records

SELECT col1 col2  col3 col3 col4 col5 col6
       FROM table
       APPENDING CORRESPONDING FIELDS OF TABLE ITAB
       WHERE col1= '89407110' AND  col2 IN S_col2.

3. Read all or selected records in one step

select  * from  table  into table itab.

or

select  * from  table  into table itab
     where name = 'Robert'.

4. Reading selected fields

SELECT col1 col2
   INTO CORRESPONDING FIELDS OF TABLE itab       

   FROM table                                               
   WHERE col1 = 'Robert'.