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ABAP Keyword Documentation → ABAP − Reference → Obsolete Language Elements → Obsolete Internal Table Processing →Obsolete Syntax
REFRESH itab.
Effect
This statement deletes all rows an internal table itab. This frees up the memory space required for the table, except for the initial memory requirement (see INITIAL SIZE). For itab, you must specify an internal table.
To delete all rows and free the entire memory space occupied by rows, you can use the statement FREE.
Notes