摘要: create table sqltest as select * from dba_objects; insert into sqltest select * from sqltest; / / SQL> select count(*) from sqltest; COUNT(*) 1514320 阅读全文
posted @ 2021-03-03 16:47 尘世间一个迷途小书童 阅读(389) 评论(0) 推荐(0)