<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration
   PUBLIC "-//Hibernate/Hibernate Configuration DTD//EN"
   "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
   <session-factory>
      <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
      <property name="connection.url">jdbc:mysql://127.0.0.1/learnHiberDB</property>
      <property name="connection.username">root</property>
      <property name="connection.password">root</property>
      <property name="show_sql">true</property>
      <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
      <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

        <mapping package="learn_hiber.chapter4"/>
        <mapping class="learn_hiber.chapter4.Author"/>
        <mapping class="learn_hiber.chapter4.Book"/>
        <mapping class="learn_hiber.chapter4.ComputerBook"/>
        <mapping class="learn_hiber.chapter4.Publisher"/>


     
   </session-factory>
</hibernate-configuration>

package learn_hiber.chapter4;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.tool.hbm2ddl.SchemaExport;

public class GenerateSchema
{

    public static void main(String[] args)
    {
       // Amended to allow a path (to the hibernate.cfg.xml) to
       // be passed to the configuration.
        AnnotationConfiguration cfg = ExampleConfiguration.getConfig();;
        SchemaExport schemaExport = new SchemaExport(cfg);
        schemaExport.create(true, true);
    }
}

Exception in thread "main" org.hibernate.HibernateException: The dialect was not set. Set the property hibernate.dialect.
        at org.hibernate.dialect.Dialect.getDialect(Dialect.java:635)
        at org.hibernate.dialect.Dialect.getDialect(Dialect.java:657)
        at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:84)
        at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:59)
        at learn_hiber.chapter4.GenerateSchema.main(GenerateSchema.java:18)
Java Result: 1

package learn_hiber.chapter4;

import org.hibernate.cfg.AnnotationConfiguration;

public class ExampleConfiguration
{
    public static AnnotationConfiguration getConfig() {
       AnnotationConfiguration cfg = new AnnotationConfiguration();
        cfg.addAnnotatedClass(Author.class);
        cfg.addAnnotatedClass(Book.class);
        cfg.addAnnotatedClass(ComputerBook.class);
        cfg.addAnnotatedClass(Publisher.class);
        return cfg;
    }
}

package learn_hiber.chapter4;

import org.hibernate.cfg.AnnotationConfiguration;

public class ExampleConfiguration
{
    public static AnnotationConfiguration getConfig() {
       AnnotationConfiguration cfg = new AnnotationConfiguration();
     cfg.addResource("learn_hiber/hibernate.cfg.xml");
             return cfg;
    }
}