假设用户正在执行UPDATE操作,此时用以下哪种方法可以关闭数据库()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.
Which method or feature should you use?()
免费的网站请分享给朋友吧