English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
DOIT
14 年
用Oracle闪回功能恢复偶然丢失的数据
与Oracle 9i中的Flashback Query相似,利用回滚段信息来恢复一个或一些表到以前的一个时间点 (一个快照)。 要注意的是,Flashback Table不等于Flashback Query,Flashback Query仅仅是查询以前的一个快照点而已,并不改变当前表的状态,而Flashback Table将改变当前表及附属对象一起回到以前的时间点。
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
今日热点
Says Trump aides targeted
Passenger gives birth onboard
Powerful quake strikes Japan
Indiana University shooting
‘The Ronettes’ member dies
Crew member missing at sea
Chicago police officer ID'd
To weigh geofence warrants
Former US senator dies at 88
N. Korea opens war memorial
Wins Chevron Championship
OT Smith to retire from NFL
NBA fines Jokic, Randle
‘The Voice’ alum dies
King Charles III heads to US
Virginia court backs Democrats
Biopic hits $217M globally
Oil prices rise
Mathis Albert makes history
China blocks Meta deal
To open AI campus in S. Korea
Former WA linebacker dies
US kills 3 in drug boat strike
Mali's defense minister killed
FIFA to raise prize money
Northern Ireland car explosion
Sawe breaks 2-hour marathon
Iran’s FM returns to Pakistan
Syria opens Assad-era trial
Suspect to appear in court
To appear on '60 Minutes'
Herzog holds off pardon
反馈