When does SAP recommended that you use a hashed table? When a table must to sorted automatically by key in ascending order When a table is very large and you want to access the table by key only When a table must be accessible by both index and key When a table is very large and you want to access the table by index only. Which of the following are valid control level changes within a loop over an internal table? LAST SUM END OF <f> COLLECT. How can oyu define an internal talbe in a private method of a class? DATA lt_itab TYPE TABLE OF <Dictionary Table>. DATA lt_itab TYPE < Table Type>. DATA lt_itab TYPE TABLE OF <Structure Type>. DATA lt_itab TYPE TABLE OF <Dictionary Table> WITH HEADER LINE. DATA lt_itab TYPE <Dictionary Table>. You want to create a transparent table. Which of the followih=ng must you define to activate the table? A short description The primary key A delivery class The MANDT field A foreign key.