Data-Centric Applications with Vaadin 8

Defining a database connection

With MyBatis, you can define a database connection using a Java API or a configuration XML file. The easiest way is to put an XML file in the classpath (the resources directory, when using Maven). The following is an example of such a configuration file:

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN"        "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration>    <environments default="development">        <environment id="development">            <transactionManager type="JDBC"/>            <dataSource type="POOLED">                <property name="driver" value="org.h2.Driver"/>                <property name="url"                  value="jdbc:h2:tcp://localhost/~/h2-databases/demo"/>                <property name="username" value="sa"/> <property ...