当前位置:网站首页>Basic operations of databases and tables ----- classification of data
Basic operations of databases and tables ----- classification of data
2022-07-06 12:08:00 【Onion love code】
Basic operation of database and table ----- Classification of data
** Review the contents of Chapter II ** Basic operation of database and table ----- Create and view databases
Basic operation of database and table ----- Modifying and deleting databases
Basic operation of database and table ----- Classification of data
Basic operation of database and table ----- Create data table
Basic operation of database and table ----- Look at the data sheet
Basic operation of database and table ----- Modify data sheet
Basic operation of database and table ----- Delete data table
Basic operation of database and table ----- Primary key constraint
Basic operation of database and table ----- Non empty constraint
Basic operation of database and table ----- Unique constraint
Basic operation of database and table ----- Default constraint
Basic operation of database and table ----- Set the field value of the table to increase automatically
Basic operation of database and table ----- The concept of index
Basic operation of database and table ----- Create index
Basic operation of database and table ----- Delete index
Basic operation of database and table ----- Phased test II
List of articles
Preface full name : Onion love code like :Java Programming Important things are to be repeated for 3 times !!! Welcome to visit , learn from each other Welcome to visit , learn from each other Welcome to visit , learn from each other Let's learn about database !!!
Cuddle wood , Born in the end ; A hundred feet platform , From the soil ; A journey , Begins with a single step .------《 Lao tze 》
Today's learning task !!!!!
1、 Understand the type of data
One 、 Type of data
1、 Description of data types
2、 Integer classification
3、 Decimal classification
4、 Classification of date and time
5、 character string 、 Classification of pictures and sounds
One quart a day !!!
Just as Xue Zhiqian is not easy to praise Mao
" You are now a meteor " , But I believe you , If you stick to it, you're a superstar "
边栏推荐
- GNN的第一个简单案例:Cora分类
- Pytorch four commonly used optimizer tests
- Unit test - unittest framework
- arduino UNO R3的寄存器写法(1)-----引脚电平状态变化
- 高通&MTK&麒麟 手机平台USB3.0方案对比
- Kconfig Kbuild
- ARM PC=PC+8 最便于理解的阐述
- 电商数据分析--薪资预测(线性回归)
- RuntimeError: cuDNN error: CUDNN_STATUS_NOT_INITIALIZED
- MP3mini播放模块arduino<DFRobotDFPlayerMini.h>函数详解
猜你喜欢
MP3mini播放模块arduino<DFRobotDFPlayerMini.h>函数详解
Reno7 60W super flash charging architecture
Feature of sklearn_ extraction. text. CountVectorizer / TfidVectorizer
Arduino JSON data information parsing
【ESP32学习-1】Arduino ESP32开发环境搭建
Vscode basic configuration
程序员老鸟都会搞错的问题 C语言基础 指针和数组
Fashion Gen: the general fashion dataset and challenge paper interpretation & dataset introduction
Gallery之图片浏览、组件学习
物联网系统框架学习
随机推荐
ESP learning problem record
Kaggle competition two Sigma connect: rental listing inquiries
FTP file upload file implementation, regularly scan folders to upload files in the specified format to the server, C language to realize FTP file upload details and code case implementation
Principle and implementation of MySQL master-slave replication
Redis interview questions
arduino JSON数据信息解析
arduino获取随机数
电商数据分析--用户行为分析
ESP8266通过arduino IED连接巴法云(TCP创客云)
高通&MTK&麒麟 手機平臺USB3.0方案對比
GNN的第一个简单案例:Cora分类
Some concepts often asked in database interview
List and set
互聯網協議詳解
Embedded startup process
数据分析之缺失值填充(重点讲解多重插值法Miceforest)
RT-Thread的main线程“卡死”的一种可能原因及解决方案
Gallery之图片浏览、组件学习
Programmers can make mistakes. Basic pointers and arrays of C language
Esp8266 connects to onenet cloud platform (mqtt) through Arduino IDE