执行如下SQL以实现排序:按拼音排序SQL> SELECT * FROM Tab ORDER BY NLSSORT(val, 'NLS_SORT=SCHINESE_PINYIN_M');按笔画数排序SQL> SELECT * FROM Tab ORDER BY NLSSORT(val, 'NLS_SORT=SCHINESE_STROKE_M');按偏旁部首排序SQL> SELECT * FROM Tab ORDER BY NLSSORT(val, 'NLS_SORT=SCHINESE_RADICAL_M');