diff --git a/Backend/EVABackend/EVABackend/Migrations/20190515103649_TestCreate1.Designer.cs b/Backend/EVABackend/EVABackend/Migrations/20190515103649_TestCreate1.Designer.cs
deleted file mode 100644
index 5e44b06..0000000
--- a/Backend/EVABackend/EVABackend/Migrations/20190515103649_TestCreate1.Designer.cs
+++ /dev/null
@@ -1,85 +0,0 @@
-// <auto-generated />
-using EVABackend.Models;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-namespace EVABackend.Migrations
-{
-    [DbContext(typeof(EVAContext))]
-    [Migration("20190515103649_TestCreate1")]
-    partial class TestCreate1
-    {
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.1.8-servicing-32085");
-
-            modelBuilder.Entity("EVABackend.Models.Kurs", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<int>("Kuendigungsfrist");
-
-                    b.Property<int>("Laufzeit");
-
-                    b.Property<string>("Name")
-                        .IsRequired();
-
-                    b.Property<decimal>("Preis");
-
-                    b.Property<int>("UnterrichtsTyp");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Kurse");
-                });
-
-            modelBuilder.Entity("EVABackend.Models.KursSchueler", b =>
-                {
-                    b.Property<int>("SchuelerId");
-
-                    b.Property<int>("KursId");
-
-                    b.HasKey("SchuelerId", "KursId");
-
-                    b.HasIndex("KursId");
-
-                    b.ToTable("KursSchueler");
-                });
-
-            modelBuilder.Entity("EVABackend.Models.Schueler", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("Name")
-                        .IsRequired();
-
-                    b.Property<string>("Vorname")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Schueler");
-                });
-
-            modelBuilder.Entity("EVABackend.Models.KursSchueler", b =>
-                {
-                    b.HasOne("EVABackend.Models.Kurs", "Kurs")
-                        .WithMany("KursSchueler")
-                        .HasForeignKey("KursId")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("EVABackend.Models.Schueler", "Schueler")
-                        .WithMany("KursSchueler")
-                        .HasForeignKey("SchuelerId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/Backend/EVABackend/EVABackend/Migrations/20190515103649_TestCreate1.cs b/Backend/EVABackend/EVABackend/Migrations/20190515103649_TestCreate1.cs
deleted file mode 100644
index 2db1801..0000000
--- a/Backend/EVABackend/EVABackend/Migrations/20190515103649_TestCreate1.cs
+++ /dev/null
@@ -1,82 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-
-namespace EVABackend.Migrations
-{
-    public partial class TestCreate1 : Migration
-    {
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "Kurse",
-                columns: table => new
-                {
-                    Id = table.Column<int>(nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    Name = table.Column<string>(nullable: false),
-                    Preis = table.Column<decimal>(nullable: false),
-                    Laufzeit = table.Column<int>(nullable: false),
-                    Kuendigungsfrist = table.Column<int>(nullable: false),
-                    UnterrichtsTyp = table.Column<int>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Kurse", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Schueler",
-                columns: table => new
-                {
-                    Id = table.Column<int>(nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    Name = table.Column<string>(nullable: false),
-                    Vorname = table.Column<string>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Schueler", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "KursSchueler",
-                columns: table => new
-                {
-                    SchuelerId = table.Column<int>(nullable: false),
-                    KursId = table.Column<int>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_KursSchueler", x => new { x.SchuelerId, x.KursId });
-                    table.ForeignKey(
-                        name: "FK_KursSchueler_Kurse_KursId",
-                        column: x => x.KursId,
-                        principalTable: "Kurse",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                    table.ForeignKey(
-                        name: "FK_KursSchueler_Schueler_SchuelerId",
-                        column: x => x.SchuelerId,
-                        principalTable: "Schueler",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateIndex(
-                name: "IX_KursSchueler_KursId",
-                table: "KursSchueler",
-                column: "KursId");
-        }
-
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "KursSchueler");
-
-            migrationBuilder.DropTable(
-                name: "Kurse");
-
-            migrationBuilder.DropTable(
-                name: "Schueler");
-        }
-    }
-}
diff --git a/Backend/EVABackend/EVABackend/Migrations/EVAContextModelSnapshot.cs b/Backend/EVABackend/EVABackend/Migrations/EVAContextModelSnapshot.cs
deleted file mode 100644
index 7180a44..0000000
--- a/Backend/EVABackend/EVABackend/Migrations/EVAContextModelSnapshot.cs
+++ /dev/null
@@ -1,83 +0,0 @@
-// <auto-generated />
-using EVABackend.Models;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-namespace EVABackend.Migrations
-{
-    [DbContext(typeof(EVAContext))]
-    partial class EVAContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.1.8-servicing-32085");
-
-            modelBuilder.Entity("EVABackend.Models.Kurs", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<int>("Kuendigungsfrist");
-
-                    b.Property<int>("Laufzeit");
-
-                    b.Property<string>("Name")
-                        .IsRequired();
-
-                    b.Property<decimal>("Preis");
-
-                    b.Property<int>("UnterrichtsTyp");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Kurse");
-                });
-
-            modelBuilder.Entity("EVABackend.Models.KursSchueler", b =>
-                {
-                    b.Property<int>("SchuelerId");
-
-                    b.Property<int>("KursId");
-
-                    b.HasKey("SchuelerId", "KursId");
-
-                    b.HasIndex("KursId");
-
-                    b.ToTable("KursSchueler");
-                });
-
-            modelBuilder.Entity("EVABackend.Models.Schueler", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("Name")
-                        .IsRequired();
-
-                    b.Property<string>("Vorname")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Schueler");
-                });
-
-            modelBuilder.Entity("EVABackend.Models.KursSchueler", b =>
-                {
-                    b.HasOne("EVABackend.Models.Kurs", "Kurs")
-                        .WithMany("KursSchueler")
-                        .HasForeignKey("KursId")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("EVABackend.Models.Schueler", "Schueler")
-                        .WithMany("KursSchueler")
-                        .HasForeignKey("SchuelerId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/Backend/EVABackend/EVABackend/Models/EVAContext.cs b/Backend/EVABackend/EVABackend/Models/EVAContext.cs
index 793afd8..b559dbd 100644
--- a/Backend/EVABackend/EVABackend/Models/EVAContext.cs
+++ b/Backend/EVABackend/EVABackend/Models/EVAContext.cs
@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
@@ -8,12 +9,17 @@ namespace EVABackend.Models
     public class EVAContext : DbContext
     {
         public DbSet<Schueler> Schueler { get; set; }
+        public DbSet<Dozent> Donzenten { get; set; }
         public DbSet<Kurs> Kurse { get; set; }
         public DbSet<KursSchueler> KursSchueler { get; set; }
+        public DbSet<Unterricht> Unterrichte { get; set; }
+        public DbSet<Instrument> Instrumente { get; set; }
+        public DbSet<Raum> Raeume { get; set; }
+        public DbSet<Antrag> Antraege { get; set; }
 
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
-            optionsBuilder.UseSqlite("Data Source=eva.db");
+            optionsBuilder.UseSqlite("Data Source=eva_ls.db");
         }
 
         protected override void OnModelCreating(ModelBuilder modelBuilder)
@@ -33,7 +39,7 @@ namespace EVABackend.Models
         }
     }
 
-    public class Schueler
+    public abstract class Person
     {
         [Key]
         [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
@@ -42,9 +48,38 @@ namespace EVABackend.Models
         public string Name { get; set; }
         [Required]
         public string Vorname { get; set; }
+        public DateTime Geburtsdatum { get; set; }
+        [Required]
+        public string Geburtsort { get; set; }
+        public int PLZ { get; set; }
+        [Required]
+        public string Ort { get; set; }
+        [Required]
+        public string Strasse { get; set; }
+        [Required]
+        public string Telefon { get; set; }
+        [Required]
+        public string EMail { get; set; }
+        [Required]
+        public string Bankname { get; set; }
+        [Required]
+        public string BLZ { get; set; }
+        [Required]
+        public string KontoNr { get; set; }
         public virtual ICollection<KursSchueler> KursSchueler { get; set; }
     }
 
+    public class Schueler : Person
+    {
+        public bool IstErmaessigt { get; set; }
+    }
+
+    public class Dozent : Person
+    {
+        public decimal Stundensatz { get; set; }
+        public virtual ICollection<Instrument> Instrumente { get; set; }
+    }
+
     public class Kurs
     {
         [Key]
@@ -52,10 +87,12 @@ namespace EVABackend.Models
         public int Id { get; set; }
         [Required]
         public string Name { get; set; }
-        public decimal Preis { get; set; }
         public int Laufzeit { get; set; }
         public int Kuendigungsfrist { get; set; }
+        public bool Bestaetigt { get; set; }
         public UnterrichtTyp UnterrichtsTyp { get; set; }
+        public virtual ICollection<Instrument> Instrumente { get; set; }
+        public virtual ICollection<Unterricht> Unterrichte { get; set; }
         public virtual ICollection<KursSchueler> KursSchueler { get; set; }
     }
 
@@ -67,8 +104,50 @@ namespace EVABackend.Models
         public virtual Kurs Kurs { get; set; }
     }
 
+    public class Unterricht
+    {
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; set; }
+        public DateTime Startzeit { get; set; }
+        public string Notiz { get; set; }
+        public Raum Raum { get; set; }
+    }
+
+    public class Raum
+    {
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; set; }
+        [Required]
+        public string Name { get; set; }
+        public bool Belegt { get; set; }
+        public virtual ICollection<Instrument> Instrumente { get; set; }
+    }
+
+    public class Antrag
+    {
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; set; }
+        public Schueler Schueler { get; set; }
+        public UnterrichtTyp UnterrichtTyp { get; set; }
+        public virtual ICollection<Instrument> Instrumente { get; set; }
+    }
+
     public enum UnterrichtTyp
     {
-        Einzel, Gruppe
+        Einzel, Gruppe, MusikalischFrueherziehung
+    }
+
+    public class Instrument
+    {
+        public int Id { get; set; }
+        public InstrumentTyp InstrumentTyp { get; set; }
+    }
+
+    public enum InstrumentTyp
+    {
+        Klavier, Schlagzeug, Geige, Gitarre, Band
     }
 }
diff --git a/Backend/EVABackend/EVABackend/eva.db b/Backend/EVABackend/EVABackend/eva.db
deleted file mode 100644
index 3cfb609..0000000
Binary files a/Backend/EVABackend/EVABackend/eva.db and /dev/null differ