摘要: select case when r = 1 then (select s.COMMENTS from user_tab_comments s where Table_Name= aa.table_name) else '' end as table_comments, case when r = 1 then aa.table_name else '' end as table_nam... 阅读全文
posted @ 2016-06-07 23:54 平安奕程 阅读(2149) 评论(0) 推荐(0) 编辑