public void insertUser() {
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        Transaction transaction = session.beginTransaction();
        String SQLString = "INSERT INTO user (nachname, vorname, loginname, password, anrede_id) ";
        SQLString += "VALUES ('Mustermann', 'Max', 'mMustermann', PASSWORD('password'), 1)";
        Query q = session.createSQLQuery(SQLString);
        q.executeUpdate();
        transaction.commit();
    }

package pojos;

import java.util.HashSet;
import java.util.Set;

/**
* User generated by hbm2java
*/
public class User implements java.io.Serializable {

    private Integer userId;
    private String nachname;
    private String vorname;
    private String loginname;
    private String password;
    private int anredeId;
    private Set<UserAdresse> userAdresses = new HashSet<UserAdresse>(0);
    private Set<Anrede> anredes = new HashSet<Anrede>(0);

    public User() {
    }

    public User(String nachname, String vorname, String loginname, String password, int anredeId) {
        this.nachname = nachname;
        this.vorname = vorname;
        this.loginname = loginname;
        this.password = password;
        this.anredeId = anredeId;
    }

    public User(String nachname, String vorname, String loginname, String password, int anredeId, Set<UserAdresse> userAdresses, Set<Anrede> anredes) {
        this.nachname = nachname;
        this.vorname = vorname;
        this.loginname = loginname;
        this.password = password;
        this.anredeId = anredeId;
        this.userAdresses = userAdresses;
        this.anredes = anredes;
    }

    public Integer getUserId() {
        return this.userId;
    }

    public void setUserId(Integer userId) {
        this.userId = userId;
    }

    public String getNachname() {
        return this.nachname;
    }

    public void setNachname(String nachname) {
        this.nachname = nachname;
    }

    public String getVorname() {
        return this.vorname;
    }

    public void setVorname(String vorname) {
        this.vorname = vorname;
    }

    public String getLoginname() {
        return loginname;
    }

    public void setLoginname(String loginname) {
        this.loginname = loginname;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public int getAnredeId() {
        return this.anredeId;
    }

    public void setAnredeId(int anredeId) {
        this.anredeId = anredeId;
    }

    public Set<UserAdresse> getUserAdresses() {
        return this.userAdresses;
    }

    public void setUserAdresses(Set<UserAdresse> userAdresses) {
        this.userAdresses = userAdresses;
    }

    public Set<Anrede> getAnredes() {
        return this.anredes;
    }

    public void setAnredes(Set<Anrede> anredes) {
        this.anredes = anredes;
    }
}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="pojos.User" table="user" catalog="versuch">
        <id name="userId" type="java.lang.Integer">
            <column name="user_id" />
            <generator class="identity" />
        </id>
        <property name="nachname" type="string">
            <column name="nachname" length="50" not-null="true" />
        </property>
        <property name="vorname" type="string">
            <column name="vorname" length="50" not-null="true" />
        </property>
        <property name="loginname" type="string">
            <column name="loginname" length="20" not-null="true" />
        </property>
        <property name="password" type="string">
            <column name="password" length="50" not-null="true" />
        </property>
        <property name="anredeId" type="int">
            <column name="anrede_ID" not-null="true" />
        </property>
        <set name="userAdresses" inverse="true">
            <key>
                <column name="user_id" not-null="true" unique="true" />
            </key>
            <one-to-many class="pojos.UserAdresse" />
        </set>
        <set name="anredes" inverse="true">
            <key>
                <column name="anrede_ID" not-null="true" unique="true" />
            </key>
            <one-to-many class="pojos.Anrede" />
        </set>
    </class>
</hibernate-mapping>