24.2.2 Installing
24.2.2.1 Installing
To install
sudo apt-get install mysql-server
When the command is executed, the screen to enter password for “root” account will appear as shown below.
Raspberry Pi_Eng_24.2.1 Relational Database and SQL
24.2 MySQL Database
24.2.1 Relational Database and SQL
24.2.1.1 Relational database
The database is a tool to provide a function that stores and manages many complicated data systematically and search the data in various formats easily later.
There are many types of databases, but the type of most databases that are most popular in the world is relational database. Relational database is that many of datas in it are not simply managed as independent data, but rather that the data are systematically managed in relation to each other. The relationship between these data is defined at the same time when defining the form of the data in advance, and the data is managed according to the defined relationship and provides various functions.