Oracle sorts according to Chinese initials

-------- Sort by strokes ( first order ) , radicals ( second order )
SELECT  *  FROM  TestHZ

ORDER BY  NLSSORT(SortName,'NLS_SORT = SCHINESE_STROKE_M')
-------- sort by radical ( first order ) , pinyin ( second order )

SELECT * FROM TestHZ

ORDER BY  NLSSORT(SortName,'NLS_SORT = SCHINESE_RADICAL_M')
-------- Sort by Pinyin

SELECT * FROM TestHZ

ORDER BY NLSSORT(SortName,'NLS_SORT = SCHINESE_PINYIN_M')