摘要:
--从一个表中随机取两条记录--1.dbms_random.valueselect * from(select * from t_ums_config order by dbms_random.value) where rownum <= 2;--2.dbms_random.randomselect * from(select * from t_ums_config order by dbm... 阅读全文
posted @ 2010-09-29 12:58
Look_Sun
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