diff --git a/build.gradle b/build.gradle
index a643e53..5898818 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,6 +10,7 @@ repositories {
 }
 
 dependencies {
+    implementation 'org.projectlombok:lombok:1.18.16'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.0'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine'
 }
diff --git a/src/main/java/DB/Competition.java b/src/main/java/DB/Competition.java
new file mode 100644
index 0000000..43ba3bd
--- /dev/null
+++ b/src/main/java/DB/Competition.java
@@ -0,0 +1,78 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+
+/**
+ * # Competition
+ * <p>
+ * ## name
+ * <p>
+ * The event name
+ * <p>
+ * ## days
+ * <p>
+ * The number of days a competition is planned
+ * <p>
+ * ## movies
+ * <p>
+ * The number of movies per day
+ * <p>
+ * ## movieMax
+ * <p>
+ * The maximum number of different movies projected
+ */
+public class Competition implements Table {
+    @Getter @Setter private String name;
+    @Getter @Setter private int days;
+    @Getter @Setter private int movies;
+    @Getter @Setter private int movieMax;
+
+    public Competition() {
+    }
+
+    static public ArrayList<Competition> getAll() {
+        return null;
+    }
+
+    static public ArrayList<Competition> getAvailable() {
+        return null;
+    }
+
+    public ArrayList<User> getUsers() {
+        return null;
+    }
+
+    public ArrayList<Slot> getSlots() {
+        return null;
+    }
+
+    public ArrayList<Room> getRooms() {
+        return null;
+    }
+
+    public ArrayList<Projection> getProjections() {
+        return null;
+    }
+
+    public ArrayList<Movie> getTableMovies() {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}
diff --git a/src/main/java/DB/Movie.java b/src/main/java/DB/Movie.java
new file mode 100644
index 0000000..16b030a
--- /dev/null
+++ b/src/main/java/DB/Movie.java
@@ -0,0 +1,44 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.Duration;
+import java.util.ArrayList;
+
+public class Movie implements Table {
+    @Getter @Setter private String name;
+    @Getter @Setter private User director;
+    @Getter @Setter private Duration duration;
+    @Getter @Setter private Competition competition;
+
+    public Movie() {
+    }
+
+    static public ArrayList<Movie> getAll() {
+        return null;
+    }
+
+    static public ArrayList<Movie> getAvailable(Competition competition) {
+        return null;
+    }
+
+    public ArrayList<Projection> getProjections() {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}
diff --git a/src/main/java/DB/Projection.java b/src/main/java/DB/Projection.java
new file mode 100644
index 0000000..a41cc62
--- /dev/null
+++ b/src/main/java/DB/Projection.java
@@ -0,0 +1,40 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+import java.util.Date;
+
+public class Projection implements Table {
+    @Getter @Setter private Date startDate;
+    @Getter @Setter private Competition competition;
+    @Getter @Setter private Room room;
+    @Setter @Getter private Movie movie;
+
+    public Projection() {
+    }
+
+    static public ArrayList<Projection> getAll() {
+        return null;
+    }
+
+    static public ArrayList<Projection> getAvailable(Competition competition) {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}
diff --git a/src/main/java/DB/Room.java b/src/main/java/DB/Room.java
new file mode 100644
index 0000000..3f4d0db
--- /dev/null
+++ b/src/main/java/DB/Room.java
@@ -0,0 +1,44 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+
+public class Room implements Table {
+    @Getter @Setter private int places;
+
+    public Room() {
+    }
+
+    static public ArrayList<Room> getAll() {
+        return null;
+    }
+
+    static public ArrayList<Room> getAvailable(Movie movie, Slot slot) {
+        return null;
+    }
+
+    public ArrayList<Competition> getCompetitions() {
+        return null;
+    }
+
+    public ArrayList<Projection> getProjections() {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}
diff --git a/src/main/java/DB/Slot.java b/src/main/java/DB/Slot.java
new file mode 100644
index 0000000..0e26caa
--- /dev/null
+++ b/src/main/java/DB/Slot.java
@@ -0,0 +1,42 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+import java.util.Date;
+
+public class Slot implements Table {
+    @Getter @Setter private Date startTime;
+    @Getter @Setter private Competition competition;
+
+    public Slot() {
+    }
+
+    static public ArrayList<Slot> getAll() {
+        return null;
+    }
+
+    static public ArrayList<Slot> getAvailable(Movie movie) {
+        return null;
+    }
+
+    static public ArrayList<Slot> getAvailable(Competition competition) {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}
diff --git a/src/main/java/DB/Table.java b/src/main/java/DB/Table.java
new file mode 100644
index 0000000..250ba7f
--- /dev/null
+++ b/src/main/java/DB/Table.java
@@ -0,0 +1,7 @@
+package DB;
+
+public interface Table {
+    public boolean save();
+    public boolean update();
+    public boolean delete();
+}
diff --git a/src/main/java/DB/User.java b/src/main/java/DB/User.java
new file mode 100644
index 0000000..83b6f77
--- /dev/null
+++ b/src/main/java/DB/User.java
@@ -0,0 +1,46 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+
+public class User implements Table {
+    @Getter @Setter private String firstName;
+    @Getter @Setter private String lastName;
+    @Getter @Setter private String phoneNumber;
+    @Getter @Setter private String email;
+    @Getter @Setter private UserType type;
+    @Getter @Setter private Competition competition;
+    private String passwordHash;
+
+    public User() {
+    }
+
+    public String getPassword() {
+        return null;
+    }
+
+    public boolean setPassword(String password) {
+        return false;
+    }
+
+    static public ArrayList<User> getAll() {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}
diff --git a/src/main/java/DB/UserType.java b/src/main/java/DB/UserType.java
new file mode 100644
index 0000000..6c68035
--- /dev/null
+++ b/src/main/java/DB/UserType.java
@@ -0,0 +1,36 @@
+package DB;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+
+public class UserType implements Table {
+    @Getter @Setter private String name;
+
+    public UserType() {
+    }
+
+    static public ArrayList<UserType> getAll() {
+        return null;
+    }
+
+    public ArrayList<User> getUsers() {
+        return null;
+    }
+
+    @Override
+    public boolean save() {
+        return false;
+    }
+
+    @Override
+    public boolean update() {
+        return false;
+    }
+
+    @Override
+    public boolean delete() {
+        return false;
+    }
+}