Adding persistence to our application
In order to persist data, JPA needs a relational database; we will use the MySQL database, which is pretty popular among developers and can be downloaded for free from http://dev.mysql.com/downloads. It is recommended to download the latest stable release of MySQL 5.x and install it using the simple installation wizard.
Setting up the database
We will create a database named appstore; we will then add a user named jboss and assign him all privileges on the schemas.
Open a shell under the bin folder of your MySQL installation and launch the executable mysql. Once logged in, execute the following commands:
CREATE DATABASE ticketsystem; USE ticketsystem; CREATE USER 'jboss'@'localhost' IDENTIFIED BY 'jboss'; GRANT ...
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