Maven settings file (example with MySQL setup for Sonar)
<settings>
<profiles>
<profile>
<id>sonar</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<sonar.jdbc.url>
jdbc:mysql://localhost:3306/sonar
</sonar.jdbc.url>
<sonar.jdbc.driverClassName>com.mysql.jdbc.Driver</sonar.jdbc.driverClassName>
<sonar.jdbc.username>sonar</sonar.jdbc.username>
<sonar.jdbc.password>sonar</sonar.jdbc.password>
<sonar.host.url>
http://localhost:9000
</sonar.host.url>
</properties>
</profile>
</profiles>
</settings>