org.hibernate.dialect.MySQLDialect false 5 20 1800 50 com.mysql.jdbc.Driver jdbc:mysql://localhost/lams?zeroDateTimeBehavior=convertToNull&characterEncoding=utf8&autoReconnect=true lams lamsdemo com.mysql.jdbc.Driver jdbc:mysql://localhost/lams?zeroDateTimeBehavior=convertToNull&characterEncoding=utf8&autoReconnect=true lams lamsdemo