搜索优化
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
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
资讯
Ars Technica
18 年
SQL Foreign Keys and SubClass tables | Ars OpenForum
But if it references Salespeople, and also routinely references general employee data about the SalesPeople, should I have 2 foreign keys defined? (one to each) ••• Quote Report F ...
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
Quake kills hundreds in AFG
Ex-heavyweight boxer dies
World Liberty token falls
Polish CEO apologizes
NC firefighter shot
Houthis raid UN offices
Hiker dies in Austrian Alps
Nestle dismisses CEO
Fifth Harmony stuns crowd
FSU freshman in ICU
Subpoena withdrawn
Named UK economic adviser
Army player, dad save man
RU jammed plane's radar?
Says 'justify the success'
Shark attack in Florida Keys
On US forces in Caribbean
'Ding dong ditch' killing
Confirms Chicago expansion
'Weapons' tops box office
Drop in immigrant workers?
Jackpot jumps to $1.1B
Suffers season-ending injury
Alabama ATV accident
Judge blocks deportation
Former correspondent dies
Trump to award Giuliani
Showed mettle as teenager
Naomi Osaka defeats Gauff
Hamas spokesman killed
Trump admin suspends visas
Teen driver in crash ID’d
Nigerian leader sentenced
Dodgers sign LHP Heaney
Attendee found dead
Two planes collide mid-air
Voter ID by executive order
反馈