随机返回5条记录
select * from (select * from emp order by dbms_random.value()) where rownum<=5
?
?
调用了dbms_random.value()函数
发布时间: 2012-09-24 13:49:41 作者: rapoo
随机返回5条记录
select * from (select * from emp order by dbms_random.value()) where rownum<=5
?
?
调用了dbms_random.value()函数