当前位置:网站首页>数据库操作 题目二
数据库操作 题目二
2022-07-26 08:41:00 【wuyunbilige66】
1.创建test数据库

2.在test数据库中创建emp表

3. 向emp表中添加记录

4.查询表中所有内容

5.查询表中姓名是张三的所有消息记录
6.查询表中姓名是三个字组成的所有员工的ename,job,sal字段的对应信息

7.查询表中empno字段从1004至1008所有员工的记录

8.查询表中所有job字段是文员并且姓名是黄盖的员工的所有信息

9.查询表中在2001年以后入职的员工信息

10.查询表中奖金(COMM)是NULL的员工信息

边栏推荐
- Solve the problem of C # calling form controls across threads
- Registration of finite element learning knowledge points
- Oracle 19C OCP 1z0-082 certification examination question bank (36-41)
- SSH,NFS,FTP
- What are the contents of Oracle OCP and MySQL OCP certification exams?
- Memory management - dynamic partition allocation simulation
- The effective condition of MySQL joint index and the invalid condition of index
- Arbitrum launched the anytrust chain to meet the diverse needs of ecological projects
- 合工大苍穹战队视觉组培训Day6——传统视觉,图像处理
- pl/sql之集合
猜你喜欢

Leetcode and query question summary

File management file system based on C #

Arbitrum Nova release! Create a low-cost and high-speed dedicated chain in the game social field

Mycat2 deploy master-slave MariaDB

正则表达式:判断是否符合USD格式

【数据库 】GBase 8a MPP Cluster V95 安装和卸载

基于C语言的内存管理-动态分区分配方式模拟

Study notes of automatic control principle --- stability analysis of control system

pl/sql之集合

Deploy prometheus+grafana monitoring platform
随机推荐
[suggestions collection] summary of MySQL 30000 word essence - locking mechanism and performance tuning (IV) [suggestions collection]
Kotlin属性与字段
【数据库 】GBase 8a MPP Cluster V95 安装和卸载
node的js文件引入
Human computer interaction software based on C language
General file upload vulnerability getshell of a digital campus system (penetration test -0day)
Mysql8 dual master and dual slave +mycat2 read / write separation
Vision Group Training Day5 - machine learning, image recognition project
Foundry教程:使用多种方式编写可升级的智能合约(上)
[database] gbase 8A MPP cluster v95 installation and uninstall
Kept dual machine hot standby
Deploy prometheus+grafana monitoring platform
The full name of flitter IDFA is identity for advertisers, that is, advertising identifiers. It is used to mark users. At present, it is most widely used for advertising, personalized recommendation,
2022年收益率最高的理财产品是哪个?
Oracle 19C OCP 1z0-082 certification examination question bank (19-23)
Cve-2021-3156 duplicate of sudo heap overflow privilege raising vulnerability
Oracle 19C OCP 1z0-082 certification examination question bank 1
内存管理-动态分区分配方式模拟
Web3 Games: current situation and future
23.9 application exit application exit