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
冬季运动会
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。
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Seahawks win Super Bowl LX
Trump slams halftime show
Kidnapped after being freed
Address Epstein scandal
Jury selection begins
DGA Awards 2026 winners
Search enters 2nd week
Visit US aircraft carrier
Crashes in downhill race
Starmer's top aide quits
Former MLB outfielder dies
Sues Hims & Hers
Will not visit US this year
Anti-ICE agitators arrested
3 Doors Down singer dies
Ex-media tycoon sentenced
Visits Bondi Beach attack site
UK PM's comms chief quits
Big 12 fines Oklahoma State
Italian police fire tear gas
Ex-French minister resigns
S. Korean helicopter crashes
Kroger names new CEO
Shooting suspect detained
Lebanon's building collapse
Johnson takes first US gold
James Pearce Jr. charged
Migrant boat sinks off Libya
Wins WM Phoenix Open
Truck crash in Nigeria
ACC fines North Carolina
Bucks sign Cam Thomas
Shared confidential reports?
Iran sentences Nobel laureate
Ends Cubans visa-free entry
反馈