diff --git a/src/main/java/com/mcitmocks/mcitmocks/Availability/Availability.java b/src/main/java/com/mcitmocks/mcitmocks/Availability/Availability.java
index 48004ab..c21068c 100644
--- a/src/main/java/com/mcitmocks/mcitmocks/Availability/Availability.java
+++ b/src/main/java/com/mcitmocks/mcitmocks/Availability/Availability.java
@@ -38,13 +38,17 @@ public class Availability {
     )
     private boolean taken;
 
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "userId_fk")
+    @ManyToOne(fetch = FetchType.LAZY,cascade = {CascadeType.PERSIST, CascadeType.MERGE, CascadeType.DETACH, CascadeType.REFRESH})
+    @JoinColumn(name = "user_id")
     private User user;
 
-    protected Availability() {
+    public Availability() {
 
     }
+    public Availability(OffsetDateTime startTimeParam, boolean takenParam){
+        this.startTime = startTimeParam;
+        this.taken = takenParam;
+    }
 
     public UUID getId() {
         return id;
diff --git a/src/main/java/com/mcitmocks/mcitmocks/MCITMocksApplication.java b/src/main/java/com/mcitmocks/mcitmocks/MCITMocksApplication.java
index 07cded4..a89de22 100644
--- a/src/main/java/com/mcitmocks/mcitmocks/MCITMocksApplication.java
+++ b/src/main/java/com/mcitmocks/mcitmocks/MCITMocksApplication.java
@@ -1,7 +1,11 @@
 package com.mcitmocks.mcitmocks;
 
+import com.mcitmocks.mcitmocks.Availability.Availability;
 import com.mcitmocks.mcitmocks.User.User;
 import com.mcitmocks.mcitmocks.User.UserRepository;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.hibernate.cfg.Configuration;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
@@ -10,6 +14,8 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.time.OffsetDateTime;
+
 @SpringBootApplication
 @RestController
 public class MCITMocksApplication {
@@ -21,6 +27,32 @@ String test() {
 
     public static void main(String[] args) {
         SpringApplication.run(MCITMocksApplication.class, args);
+        SessionFactory factory = new Configuration()
+                .configure()
+                .addAnnotatedClass(Availability.class)
+                .addAnnotatedClass(User.class)
+                .buildSessionFactory();
+        Session session = factory.getCurrentSession();
+        session.beginTransaction();
+        User user = new User("mario@gmail.com", "America/Chicago");
+        System.out.println("saving user: " + user);
+        session.save(user);
+
+        OffsetDateTime offsetDT1 = OffsetDateTime.now();
+        Availability availability1 = new Availability(offsetDT1, true);
+        user.addAvailability(availability1);
+        OffsetDateTime offsetDT2 = OffsetDateTime.parse("2019-08-31T15:20:30+08:00");
+        Availability availability2 = new Availability(offsetDT2, true);
+        user.addAvailability(availability2);
+        session.save(availability1);
+        session.save(availability2);
+
+        session.delete(availability1);
+        session.getTransaction().commit();
+
+
+        System.out.println("Done!");
+
     }
 
     @Bean
diff --git a/src/main/java/com/mcitmocks/mcitmocks/User/User.java b/src/main/java/com/mcitmocks/mcitmocks/User/User.java
index b3ed46d..6106753 100644
--- a/src/main/java/com/mcitmocks/mcitmocks/User/User.java
+++ b/src/main/java/com/mcitmocks/mcitmocks/User/User.java
@@ -38,9 +38,11 @@ public class User {
     )
     private String timeZone;
 
-    @OneToMany(mappedBy = "user", orphanRemoval = true)
+
+    @OneToMany(mappedBy = "user", cascade = {CascadeType.PERSIST, CascadeType.MERGE, CascadeType.DETACH, CascadeType.REFRESH}, orphanRemoval = true)
     private Set<Availability> availabilitySet = new HashSet<>();
 
+
     protected User() {
     }
 
@@ -74,4 +76,22 @@ public String getEmail() {
     public String getTimeZone() {
         return timeZone;
     }
+
+    public Set<Availability> getAvailabilitySet() {
+        return availabilitySet;
+    }
+
+    public void setAvailabilitySet(Set<Availability> availabilitySet) {
+        this.availabilitySet = availabilitySet;
+    }
+
+
+    @Override
+    public String toString() {
+        return "User{" +
+                "email='" + email + '\'' +
+                ", timeZone='" + timeZone + '\'' +
+                '}';
+    }
+
 }
diff --git a/src/main/java/com/mcitmocks/mcitmocks/User/UserDao.java b/src/main/java/com/mcitmocks/mcitmocks/User/UserDao.java
new file mode 100644
index 0000000..59c58c4
--- /dev/null
+++ b/src/main/java/com/mcitmocks/mcitmocks/User/UserDao.java
@@ -0,0 +1,7 @@
+package com.mcitmocks.mcitmocks.User;
+
+import java.util.List;
+
+public interface UserDao {
+    public List<User> getUsers();
+}
diff --git a/src/main/java/com/mcitmocks/mcitmocks/User/UserDaoImpl.java b/src/main/java/com/mcitmocks/mcitmocks/User/UserDaoImpl.java
new file mode 100644
index 0000000..af73923
--- /dev/null
+++ b/src/main/java/com/mcitmocks/mcitmocks/User/UserDaoImpl.java
@@ -0,0 +1,15 @@
+package com.mcitmocks.mcitmocks.User;
+
+
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.List;
+
+public class UserDaoImpl implements UserDao{
+
+    @Override
+    public List<User> getUsers() {
+        return null;
+    }
+}
diff --git a/src/main/resources/hibernate.cfg.xml b/src/main/resources/hibernate.cfg.xml
new file mode 100644
index 0000000..7bf8db2
--- /dev/null
+++ b/src/main/resources/hibernate.cfg.xml
@@ -0,0 +1,24 @@
+<!DOCTYPE hibernate-configuration PUBLIC
+        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
+
+<hibernate-configuration>
+    <session-factory>
+        <property name="hibernate.dialect">org.hibernate.dialect.PostgreSQL92Dialect</property>
+        <property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
+        <property name="hibernate.connection.username">mcitmocks</property>
+        <property name="hibernate.connection.password">password</property>
+        <property name="hibernate.connection.url">jdbc:postgresql://localhost:5432/mcitmocks_dev</property>
+
+
+        <property name="connection_pool_size">1</property>
+
+        <property name="hbm2ddl.auto">create</property>
+
+        <property name="show_sql">true</property>
+        <property name="hibernate.current_session_context_class">thread</property>
+
+        <mapping class="com.mcitmocks.mcitmocks.Availability.Availability"/>
+        <mapping class="com.mcitmocks.mcitmocks.User.User"/>
+    </session-factory>
+</hibernate-configuration>
\ No newline at end of file