摘要：
order by 的数值型灵活使用 select * from table_a where id=p_id order by decode(函数,'asc',1,'desc',-1)*jsny; 控制试图的访问时间： 6.create view ... as select ... from where exists(select x from dual where sysdate>=... 阅读全文
摘要：
面试时如何向主考官提问？ ... 阅读全文