Answer Posted / sivaramakrishna
a internal table is nothing but instance of data base table.
what sap recomend is it is not good programing technic
peforming the operation on data base directly. because many
people are work on data which is avile ble in data base .
that is why where we can perform all data base operations
on it. and we can also specify the size to itab. with
occurs specification.
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