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。
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
One crew member rescued
Employers add 178K jobs
Asked to step down
Welcome 1st child together
To add 3.5% surcharge
Released from hospital
Pulls out of the Masters
SoCal hospice fraud arrests
Accuses China of ‘bullying’
Lively's claims dismissed
Court orders resentencing
DOJ: Act is unconstitutional
Unveils tariffs on some drugs
Judge blocks deportation
Cuba pardons 2,010 prisoners
Returns Chinese drug fugitive
MA troopers arraigned
3 Greek ministers quit
Judge denies Morris’ bid
Stops sanctioned oil tanker
Launches new McValue menu
Italy soccer pres resigns
RU plans 2nd oil shipment
WH ballroom gets approval
Rapper charged w/ kidnapping
Danish warship wreck found
World's oldest tortoise alive
Artemis II mission update
CFTC sues 3 states
Acquires tech talk show TBPN
Elected as Myanmar president
EPA proposes new regulations
反馈