摘要：
Comparing the Contents of Two Tables A表和B表。拥有一致列，C2一列内容不同。 I have two tables named A and B. They have identical columns and have the same number of ro 阅读全文
摘要：
Selective System Grants 问题： 我只想授予XX用户alter system set user_dump_dest 权限！ I want to give users the ability to execute "alter system set user_dump_dest" 阅读全文