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
csdn
15 年
winfrom DataGridView Sql语句获取平均值写法
用sql语句实现如图结果该怎么做。 我把得到的数据放到了winform 的DataGridView控件里了。 重点是这个“平均”列,是在sql语句中获取该“区域”内所有“累计”的平均值。然后在绑定到DataGridView里面。 数据表如下:表R_Region 列 : 1 ID 区域ID Int 请教高手帮忙。
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
Cuba: 4 dead on US boat
Ex-Air Force pilot arrested
Says DHS detained student
Agrees to $100M settlement
Hits 1,000-win milestone
Deportation plan rejected
FBI staffers fired?
Seeks case dismissal
Target of grand jury probe
Infected with bird flu
Oliver 'Power' Grant dies
Taunton house explosion
Launches new safety tool
UN WFP head to step down
Ballroom project to continue
Removes Joint Staff director
Venezuela AG resigns
Lays off 6% of workforce
NASA astronaut speaks out
Halts Medicaid funds to MN
Hired as NBA draft advisor
Danish PM calls snap election
Narrows AI safety pledge
Yankees retiring number
New York AG sues Valve
Convicted of tax evasion
Recall over listeria risk
Blocks ICE contractor's appeal
Court quashes fraud conviction
CEO of WEF steps down
Olympian dies at 80
Mortgage rates fall
Mary Cosby's son dies at 23
反馈