dataSource {
    pooled = true
    dbCreate = "update"
    url = "jdbc:mysql://localhost/yourDB"
    driverClassName = "com.mysql.jdbc.Driver"
    username = "yourUser"
    password = "yourPassword"
}dataSource
Purpose
The dataSource plugin configures the Grails JDBC DataSource.
Examples
A DataSource configured with explicit settings in grails-app/conf/application.groovy:
A DataSource configured to look up via JNDI:
dataSource {
    jndiName = "java:comp/env/myDataSource"
}Description
Refer to the section on Data Sources in the Grails user guide.
Configured Spring Beans:
- 
dataSource- An instance of the Apache DBCP library’sorg.apache.commons.dbcp.BasicDataSourceclass or a JndiObjectFactoryBean in the case of a JNDIDataSource