Query to know the Attributes(DFF Fields) Actual Column Names in Oracle tables

SELECT b.APPLICATION_TABLE_NAME,

       b.DESCRIPTIVE_FLEXFIELD_NAME,

       a.DESCRIPTIVE_FLEX_CONTEXT_CODE,

       a.APPLICATION_COLUMN_NAME,

       a.END_USER_COLUMN_NAME

  FROM FND_DESCR_FLEX_COLUMN_USAGES a,

       FND_DESCRIPTIVE_FLEXS_vl b

 WHERE   
b.APPLICATION_TABLE_NAME IN (UPPER ('<table_name>'))       
AND b.DESCRIPTIVE_FLEXFIELD_NAME = a.DESCRIPTIVE_FLEXFIELD_NAME

AND b.APPLICATION_ID = a.APPLICATION_ID