摘要: 执行下面语句: begin for obj in (select 'alter table '||table_name||' allocate extent' objsql from user_tables where num_rows=0) loop execute immediate obj.o 阅读全文
posted @ 2018-12-02 09:58 itcui 阅读(203) 评论(0) 推荐(0) 编辑