1) 在oracle9i中新增了按照拼音、部首、笔画排序功能。设置NLS_SORT值:
SCHINESE_RADICAL_M 按照部首(第一顺序)、笔划(第二顺序)排序.
SCHINESE_STROKE_M 按照笔划(第一顺序)、部首(第二顺序)排序.
SCHINESE_PINYIN_M 按照拼音排序.
具体用法: SELECT * FROM TEAM ORDER BY NLSSORT(排序字段,'NLS_SORT = SCHINESE_PINYIN_M')
2)替归查询: select * from table_name connect by prior id = parent_id start with id = ? (自上而下查询)
select * from table_name connect by id = prior parent_id start with id = ? (自下而上查询)