Create a table value set as shown in the screenshot below.
click on Edit Information and Enter following in the table name field
(SELECT (TO_DATE (SYSDATE - 1 + LEVEL, 'DD-MON-RRRR')) date_range
, (TO_CHAR (SYSDATE - 1 + LEVEL, 'Month, DD RRRR')) date_word
FROM DUAL CONNECT BY LEVEL <= 1000)