table of Contents
01. Basic concepts of database and software installation
01. Basic concepts of database and software installation
Basic concepts of database
1. English words of database: DataBase Abbreviation: DB
2. What database?
Warehouse for storing and managing data.
3. The characteristics of the database:
1. Persistent storage of data. In fact, the database is a file system
2. It is convenient to store and manage data
3. Use a unified way to operate the database-SQL
MySQL database software
1. Installation
2. Uninstall
1. Go to the MySQL installation directory and find the my.ini file
* Copy datadir="C:/ProgramData/MySQL/MySQL Server 5.5/Data/"
2. Uninstall MySQL
3. Delete the MySQL file in the C:/ProgramData directory folder.
3. Configure
* MySQL service start
1. Manually.
2. cmd--> services.msc to open the service window
3. Use the administrator to open cmd
* net start mysql: start mysql service
* net stop mysql: close mysql service
* MySQL login
1. mysql -uroot -p password
2. mysql -hip -uroot -p Connection target password
3. mysql --host=ip --user=root --password=Connection target password
* MySQL exit
1. exit
2. quit
* MySQL directory structure
1. MySQL installation directory: basedir="D:/develop/MySQL/"
* Configuration file my.ini
2. MySQL data directory: datadir="C:/ProgramData/MySQL/MySQL Server 5.5/Data/"
* Several concepts
* Database: Folder
* Table: File
* Data: Data