摘要:
使用 dbms random value的一种方法 Oralce: SQL> select *from (select *from t order by dbms_random.value) where rownum<10; mysql: select * from tablename order by rand() limit 10 sqlserver: sele... 阅读全文
posted @ 2005-01-25 11:59 wtiancai 阅读(1056) 评论(1) 推荐(0) 编辑