diff --git a/Hospital/HospitalDataModels/Models/IPatientModel.cs b/Hospital/HospitalDataModels/Models/IPatientModel.cs
index c28fefa..c8aa3c0 100644
--- a/Hospital/HospitalDataModels/Models/IPatientModel.cs
+++ b/Hospital/HospitalDataModels/Models/IPatientModel.cs
@@ -2,9 +2,9 @@
 {
     public interface IPatientModel : IId
     {
-        string Surname { get; }
+        string? Surname { get; }
         string Name { get; }
-        string Patronymic { get; }
+        string? Patronymic { get; }
         DateTime BirthDate { get; }
         int TreatmentId { get; }
     }
diff --git a/Hospital/HospitalDatabaseImplement/HospitalDatabase.cs b/Hospital/HospitalDatabaseImplement/HospitalDatabase.cs
index 92ddb35..8822435 100644
--- a/Hospital/HospitalDatabaseImplement/HospitalDatabase.cs
+++ b/Hospital/HospitalDatabaseImplement/HospitalDatabase.cs
@@ -9,7 +9,7 @@ namespace HospitalDatabaseImplement
         {
             if (optionsBuilder.IsConfigured == false)
             {
-                optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=FurnitureAssemblyDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+                optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=HospitalDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
             }
             base.OnConfiguring(optionsBuilder);
         }
diff --git a/Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.Designer.cs b/Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.Designer.cs
new file mode 100644
index 0000000..ef464e0
--- /dev/null
+++ b/Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.Designer.cs
@@ -0,0 +1,458 @@
+// <auto-generated />
+using System;
+using HospitalDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace HospitalDatabaseImplement.Migrations
+{
+    [DbContext(typeof(HospitalDatabase))]
+    [Migration("20230405144953_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Apothecary", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasMaxLength(55)
+                        .HasColumnType("nvarchar(55)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Apothecaries");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ApothecaryId")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.Property<string>("Dose")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("nvarchar(60)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApothecaryId");
+
+                    b.ToTable("Medicines");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Patient", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("BirthDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Patronymic")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Surname")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("TreatmentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TreatmentId");
+
+                    b.ToTable("Patients");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Prescription", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ApothecaryId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MedicineId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Number")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApothecaryId");
+
+                    b.HasIndex("MedicineId");
+
+                    b.ToTable("Prescriptions");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Procedure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Procedures");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.ProcedureMedicine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("MedicineId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProcedureId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MedicineId");
+
+                    b.HasIndex("ProcedureId");
+
+                    b.ToTable("ProcedureMedicines");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ApothecaryId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApothecaryId");
+
+                    b.ToTable("Recipes");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeMedicine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("MedicineId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RecipeId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MedicineId");
+
+                    b.HasIndex("RecipeId");
+
+                    b.ToTable("RecipeMedicines");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeTreatment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("RecipeId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TreatmentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RecipeId");
+
+                    b.HasIndex("TreatmentId");
+
+                    b.ToTable("RecipeTreatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Treatment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(55)
+                        .HasColumnType("nvarchar(55)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Treatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.TreatmentProcedure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ProcedureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TreatmentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProcedureId");
+
+                    b.HasIndex("TreatmentId");
+
+                    b.ToTable("TreatmentProcedures");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
+                        .WithMany()
+                        .HasForeignKey("ApothecaryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Apothecary");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Patient", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Treatment", "Treatment")
+                        .WithMany("Patients")
+                        .HasForeignKey("TreatmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Treatment");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Prescription", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
+                        .WithMany()
+                        .HasForeignKey("ApothecaryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
+                        .WithMany("Prescriptions")
+                        .HasForeignKey("MedicineId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Apothecary");
+
+                    b.Navigation("Medicine");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.ProcedureMedicine", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
+                        .WithMany("Procedures")
+                        .HasForeignKey("MedicineId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Procedure", "Procedure")
+                        .WithMany("Medicines")
+                        .HasForeignKey("ProcedureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Medicine");
+
+                    b.Navigation("Procedure");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
+                        .WithMany()
+                        .HasForeignKey("ApothecaryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Apothecary");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeMedicine", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
+                        .WithMany("Recipes")
+                        .HasForeignKey("MedicineId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Recipe", "Recipe")
+                        .WithMany("Medicines")
+                        .HasForeignKey("RecipeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Medicine");
+
+                    b.Navigation("Recipe");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeTreatment", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Recipe", "Recipe")
+                        .WithMany("Treatments")
+                        .HasForeignKey("RecipeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Treatment", "Treatment")
+                        .WithMany("Recipes")
+                        .HasForeignKey("TreatmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Recipe");
+
+                    b.Navigation("Treatment");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.TreatmentProcedure", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Procedure", "Procedure")
+                        .WithMany("Treatments")
+                        .HasForeignKey("ProcedureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Treatment", "Treatment")
+                        .WithMany("Procedures")
+                        .HasForeignKey("TreatmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Procedure");
+
+                    b.Navigation("Treatment");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
+                {
+                    b.Navigation("Prescriptions");
+
+                    b.Navigation("Procedures");
+
+                    b.Navigation("Recipes");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Procedure", b =>
+                {
+                    b.Navigation("Medicines");
+
+                    b.Navigation("Treatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
+                {
+                    b.Navigation("Medicines");
+
+                    b.Navigation("Treatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Treatment", b =>
+                {
+                    b.Navigation("Patients");
+
+                    b.Navigation("Procedures");
+
+                    b.Navigation("Recipes");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.cs b/Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.cs
new file mode 100644
index 0000000..bf85384
--- /dev/null
+++ b/Hospital/HospitalDatabaseImplement/Migrations/20230405144953_InitialCreate.cs
@@ -0,0 +1,355 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace HospitalDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Apothecaries",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Login = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Password = table.Column<string>(type: "nvarchar(55)", maxLength: 55, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Apothecaries", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Procedures",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Procedures", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Treatments",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(55)", maxLength: 55, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Treatments", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Medicines",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(60)", maxLength: 60, nullable: false),
+                    Cost = table.Column<double>(type: "float", nullable: false),
+                    Dose = table.Column<string>(type: "nvarchar(10)", maxLength: 10, nullable: false),
+                    ApothecaryId = table.Column<int>(type: "int", nullable: false, defaultValue: -1)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Medicines", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Medicines_Apothecaries_ApothecaryId",
+                        column: x => x.ApothecaryId,
+                        principalTable: "Apothecaries",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.SetDefault);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Recipes",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Date = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    ApothecaryId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Recipes", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Recipes_Apothecaries_ApothecaryId",
+                        column: x => x.ApothecaryId,
+                        principalTable: "Apothecaries",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Patients",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Surname = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Patronymic = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    BirthDate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    TreatmentId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Patients", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Patients_Treatments_TreatmentId",
+                        column: x => x.TreatmentId,
+                        principalTable: "Treatments",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "TreatmentProcedures",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ProcedureId = table.Column<int>(type: "int", nullable: false),
+                    TreatmentId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TreatmentProcedures", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_TreatmentProcedures_Procedures_ProcedureId",
+                        column: x => x.ProcedureId,
+                        principalTable: "Procedures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_TreatmentProcedures_Treatments_TreatmentId",
+                        column: x => x.TreatmentId,
+                        principalTable: "Treatments",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Prescriptions",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Date = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    Number = table.Column<int>(type: "int", nullable: false),
+                    MedicineId = table.Column<int>(type: "int", nullable: false),
+                    ApothecaryId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Prescriptions", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Prescriptions_Apothecaries_ApothecaryId",
+                        column: x => x.ApothecaryId,
+                        principalTable: "Apothecaries",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Prescriptions_Medicines_MedicineId",
+                        column: x => x.MedicineId,
+                        principalTable: "Medicines",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProcedureMedicines",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ProcedureId = table.Column<int>(type: "int", nullable: false),
+                    MedicineId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProcedureMedicines", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProcedureMedicines_Medicines_MedicineId",
+                        column: x => x.MedicineId,
+                        principalTable: "Medicines",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ProcedureMedicines_Procedures_ProcedureId",
+                        column: x => x.ProcedureId,
+                        principalTable: "Procedures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RecipeMedicines",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    RecipeId = table.Column<int>(type: "int", nullable: false),
+                    MedicineId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RecipeMedicines", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RecipeMedicines_Medicines_MedicineId",
+                        column: x => x.MedicineId,
+                        principalTable: "Medicines",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RecipeMedicines_Recipes_RecipeId",
+                        column: x => x.RecipeId,
+                        principalTable: "Recipes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RecipeTreatments",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    RecipeId = table.Column<int>(type: "int", nullable: false),
+                    TreatmentId = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RecipeTreatments", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RecipeTreatments_Recipes_RecipeId",
+                        column: x => x.RecipeId,
+                        principalTable: "Recipes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RecipeTreatments_Treatments_TreatmentId",
+                        column: x => x.TreatmentId,
+                        principalTable: "Treatments",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Medicines_ApothecaryId",
+                table: "Medicines",
+                column: "ApothecaryId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Patients_TreatmentId",
+                table: "Patients",
+                column: "TreatmentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Prescriptions_ApothecaryId",
+                table: "Prescriptions",
+                column: "ApothecaryId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Prescriptions_MedicineId",
+                table: "Prescriptions",
+                column: "MedicineId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProcedureMedicines_MedicineId",
+                table: "ProcedureMedicines",
+                column: "MedicineId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProcedureMedicines_ProcedureId",
+                table: "ProcedureMedicines",
+                column: "ProcedureId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecipeMedicines_MedicineId",
+                table: "RecipeMedicines",
+                column: "MedicineId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecipeMedicines_RecipeId",
+                table: "RecipeMedicines",
+                column: "RecipeId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Recipes_ApothecaryId",
+                table: "Recipes",
+                column: "ApothecaryId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecipeTreatments_RecipeId",
+                table: "RecipeTreatments",
+                column: "RecipeId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RecipeTreatments_TreatmentId",
+                table: "RecipeTreatments",
+                column: "TreatmentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TreatmentProcedures_ProcedureId",
+                table: "TreatmentProcedures",
+                column: "ProcedureId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TreatmentProcedures_TreatmentId",
+                table: "TreatmentProcedures",
+                column: "TreatmentId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Patients");
+
+            migrationBuilder.DropTable(
+                name: "Prescriptions");
+
+            migrationBuilder.DropTable(
+                name: "ProcedureMedicines");
+
+            migrationBuilder.DropTable(
+                name: "RecipeMedicines");
+
+            migrationBuilder.DropTable(
+                name: "RecipeTreatments");
+
+            migrationBuilder.DropTable(
+                name: "TreatmentProcedures");
+
+            migrationBuilder.DropTable(
+                name: "Medicines");
+
+            migrationBuilder.DropTable(
+                name: "Recipes");
+
+            migrationBuilder.DropTable(
+                name: "Procedures");
+
+            migrationBuilder.DropTable(
+                name: "Treatments");
+
+            migrationBuilder.DropTable(
+                name: "Apothecaries");
+        }
+    }
+}
diff --git a/Hospital/HospitalDatabaseImplement/Migrations/HospitalDatabaseModelSnapshot.cs b/Hospital/HospitalDatabaseImplement/Migrations/HospitalDatabaseModelSnapshot.cs
new file mode 100644
index 0000000..913ba06
--- /dev/null
+++ b/Hospital/HospitalDatabaseImplement/Migrations/HospitalDatabaseModelSnapshot.cs
@@ -0,0 +1,455 @@
+// <auto-generated />
+using System;
+using HospitalDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace HospitalDatabaseImplement.Migrations
+{
+    [DbContext(typeof(HospitalDatabase))]
+    partial class HospitalDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Apothecary", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Login")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasMaxLength(55)
+                        .HasColumnType("nvarchar(55)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Apothecaries");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ApothecaryId")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.Property<string>("Dose")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("nvarchar(60)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApothecaryId");
+
+                    b.ToTable("Medicines");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Patient", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("BirthDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Patronymic")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Surname")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("TreatmentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TreatmentId");
+
+                    b.ToTable("Patients");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Prescription", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ApothecaryId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("MedicineId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Number")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApothecaryId");
+
+                    b.HasIndex("MedicineId");
+
+                    b.ToTable("Prescriptions");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Procedure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Procedures");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.ProcedureMedicine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("MedicineId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ProcedureId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MedicineId");
+
+                    b.HasIndex("ProcedureId");
+
+                    b.ToTable("ProcedureMedicines");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ApothecaryId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApothecaryId");
+
+                    b.ToTable("Recipes");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeMedicine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("MedicineId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RecipeId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MedicineId");
+
+                    b.HasIndex("RecipeId");
+
+                    b.ToTable("RecipeMedicines");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeTreatment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("RecipeId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TreatmentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RecipeId");
+
+                    b.HasIndex("TreatmentId");
+
+                    b.ToTable("RecipeTreatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Treatment", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(55)
+                        .HasColumnType("nvarchar(55)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Treatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.TreatmentProcedure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ProcedureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TreatmentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProcedureId");
+
+                    b.HasIndex("TreatmentId");
+
+                    b.ToTable("TreatmentProcedures");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
+                        .WithMany()
+                        .HasForeignKey("ApothecaryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Apothecary");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Patient", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Treatment", "Treatment")
+                        .WithMany("Patients")
+                        .HasForeignKey("TreatmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Treatment");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Prescription", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
+                        .WithMany()
+                        .HasForeignKey("ApothecaryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
+                        .WithMany("Prescriptions")
+                        .HasForeignKey("MedicineId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Apothecary");
+
+                    b.Navigation("Medicine");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.ProcedureMedicine", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
+                        .WithMany("Procedures")
+                        .HasForeignKey("MedicineId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Procedure", "Procedure")
+                        .WithMany("Medicines")
+                        .HasForeignKey("ProcedureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Medicine");
+
+                    b.Navigation("Procedure");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Apothecary", "Apothecary")
+                        .WithMany()
+                        .HasForeignKey("ApothecaryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Apothecary");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeMedicine", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Medicine", "Medicine")
+                        .WithMany("Recipes")
+                        .HasForeignKey("MedicineId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Recipe", "Recipe")
+                        .WithMany("Medicines")
+                        .HasForeignKey("RecipeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Medicine");
+
+                    b.Navigation("Recipe");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.RecipeTreatment", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Recipe", "Recipe")
+                        .WithMany("Treatments")
+                        .HasForeignKey("RecipeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Treatment", "Treatment")
+                        .WithMany("Recipes")
+                        .HasForeignKey("TreatmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Recipe");
+
+                    b.Navigation("Treatment");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.TreatmentProcedure", b =>
+                {
+                    b.HasOne("HospitalDatabaseImplement.Models.Procedure", "Procedure")
+                        .WithMany("Treatments")
+                        .HasForeignKey("ProcedureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("HospitalDatabaseImplement.Models.Treatment", "Treatment")
+                        .WithMany("Procedures")
+                        .HasForeignKey("TreatmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Procedure");
+
+                    b.Navigation("Treatment");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Medicine", b =>
+                {
+                    b.Navigation("Prescriptions");
+
+                    b.Navigation("Procedures");
+
+                    b.Navigation("Recipes");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Procedure", b =>
+                {
+                    b.Navigation("Medicines");
+
+                    b.Navigation("Treatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Recipe", b =>
+                {
+                    b.Navigation("Medicines");
+
+                    b.Navigation("Treatments");
+                });
+
+            modelBuilder.Entity("HospitalDatabaseImplement.Models.Treatment", b =>
+                {
+                    b.Navigation("Patients");
+
+                    b.Navigation("Procedures");
+
+                    b.Navigation("Recipes");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Hospital/HospitalDatabaseImplement/Models/Patient.cs b/Hospital/HospitalDatabaseImplement/Models/Patient.cs
index a1fef36..43eef9d 100644
--- a/Hospital/HospitalDatabaseImplement/Models/Patient.cs
+++ b/Hospital/HospitalDatabaseImplement/Models/Patient.cs
@@ -13,17 +13,17 @@ namespace HospitalDatabaseImplement.Models
     public class Patient : IPatientModel
     {
         public int Id { get; private set; }
-
-        public string Surname { get; private set; } = string.Empty;
+        
+        public string? Surname { get; private set; } = string.Empty;
         [Required]
         public string Name { get; private set; } = string.Empty;
 
-        public string Patronymic { get; private set; } = string.Empty;
+        public string? Patronymic { get; private set; } = string.Empty;
         [Required]
         public DateTime BirthDate { get; private set; }
 
         public int TreatmentId { get; private set; }
-        public virtual Treatment? Treatment { get; set; }
+        public virtual Treatment Treatment { get; set; }
 
         public static Patient? Create(PatientBindingModel model)
         {
@@ -76,7 +76,7 @@ namespace HospitalDatabaseImplement.Models
             Patronymic = Patronymic,
             BirthDate = BirthDate,
             TreatmentId = TreatmentId,
-            TreatmentName = Treatment?.Name
+            TreatmentName = Treatment.Name
         };
     }
 }