oracle 随机函数的特殊用法 随机得到一条数据:
select * from (select * from test_wsg_20110207 where ob_status =1 order by dbms_random.value) where rownum=1;
oracle 随机函数的特殊用法 随机得到一条数据:
select * from (select * from test_wsg_20110207 where ob_status =1 order by dbms_random.value) where rownum=1;