当前位置:网站首页>SQLServer查询: a.id与b.id相同时,a.id对应的a.p在b.id对应的b.p里找不到的话,就显示出这个a.id和a.p
SQLServer查询: a.id与b.id相同时,a.id对应的a.p在b.id对应的b.p里找不到的话,就显示出这个a.id和a.p
2022-07-01 15:56:00 【CSDN问答】
想要如图查询,应该怎么写语句啊:
前提: a.id有的值,b.id基本都有 , 但a.id的值不会重复.
目的: a.id = b.id的情况下 , a.id对应的a.p在b.id对应的b.p里找不到的话 , 就显示出这个a.id和a.p
边栏推荐
- 运动捕捉系统原理
- 【Pygame实战】你说神奇不神奇?吃豆人+切水果结合出一款你没玩过的新游戏!(附源码)
- 毕业后5年,我成为了年薪30w+的测试开发工程师
- ThinkPHP advanced
- 综述 | 激光与视觉融合SLAM
- Uncover the "intelligence tax" of mousse: spend 4billion on marketing, and only 7 invention patents
- Smart Party Building: faith through time and space | 7.1 dedication
- 华为发布HCSP-Solution-5G Security人才认证,助力5G安全人才生态建设
- Pocket Network为Moonbeam和Moonriver RPC层提供支持
- How to write good code - Defensive Programming Guide
猜你喜欢
求求你们,别再刷 Star 了!这跟“爱国”没关系!
[每日一氵]Latex 的通讯作者怎么搞
What is the forkjoin framework in the concurrent programming series?
【Hot100】20. 有效的括号
Zhou Shaojian, rare
TensorFlow團隊:我們沒被拋弃
近半年内连获5家“巨头”投资,这家智能驾驶“黑马”受资本追捧
DO280管理应用部署--pod调度控制
一次革命、两股力量、三大环节:《工业能效提升行动计划》背后的“减碳”路线图...
In the past six months, it has been invested by five "giants", and this intelligent driving "dark horse" is sought after by capital
随机推荐
C#/VB. Net merge PDF document
【每日一题】1175. 质数排列
华为发布HCSP-Solution-5G Security人才认证,助力5G安全人才生态建设
MySQL advanced 4
idea启动Command line is too long问题处理
picgo快捷键 绝了这人和我的想法 一模一样
ATSs: automatically select samples to eliminate the difference between anchor based and anchor free object detection methods
实现数字永生还有多久?元宇宙全息真人分身#8i
德国iF多项大奖加冕,这副耳机有多强?音珀GTW 270 Hybrid深度评测
[pyGame practice] do you think it's magical? Pac Man + cutting fruit combine to create a new game you haven't played! (source code attached)
Advanced cross platform application development (24): uni app realizes file download and saving
u本位合约和币本位合约有区别,u本位合约会爆仓吗
RT-Thread Env 工具介绍(学习笔记)
Seata中1.5.1 是否支持mysql8?
运动捕捉系统原理
嵌入式开发:5个修订控制最佳实践
MySQL的零拷贝技术
超视频时代,什么样的技术会成为底座?
Microservice tracking SQL (support Gorm query tracking under isto control)
Pico,能否拯救消费级VR?