diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/20230420201528_TwoLabWork07.Designer.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/20230420201528_TwoLabWork07.Designer.cs
new file mode 100644
index 0000000..46a44ca
--- /dev/null
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/20230420201528_TwoLabWork07.Designer.cs
@@ -0,0 +1,298 @@
+// <auto-generated />
+using System;
+using BlacksmithWorkshopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace BlacksmithWorkshopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(BlacksmithWorkshopDatabase))]
+    [Migration("20230420201528_TwoLabWork07")]
+    partial class TwoLabWork07
+    {
+        /// <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("BlacksmithWorkshopDatabaseImplement.Models.Client", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Clients");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Implementer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ImplementerFIO")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Qualification")
+                        .HasColumnType("int");
+
+                    b.Property<int>("WorkExperience")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Implementers");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Manufacture", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ManufactureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Manufactures");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.ManufactureWorkPiece", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ManufactureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("WorkPieceId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ManufactureId");
+
+                    b.HasIndex("WorkPieceId");
+
+                    b.ToTable("ManufactureWorkPieces");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.Property<string>("MessageId")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("ClientId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateDelivery")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("SenderName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Subject")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("MessageId");
+
+                    b.HasIndex("ClientId");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ClientId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ImplementerId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ManufactureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClientId");
+
+                    b.HasIndex("ImplementerId");
+
+                    b.HasIndex("ManufactureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.WorkPiece", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.Property<string>("WorkPieceName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("WorkPieces");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.ManufactureWorkPiece", b =>
+                {
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Manufacture", "Manufacture")
+                        .WithMany("WorkPieces")
+                        .HasForeignKey("ManufactureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.WorkPiece", "WorkPiece")
+                        .WithMany("ManufactureWorkPieces")
+                        .HasForeignKey("WorkPieceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Manufacture");
+
+                    b.Navigation("WorkPiece");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Client", "Client")
+                        .WithMany("MessageInfos")
+                        .HasForeignKey("ClientId");
+
+                    b.Navigation("Client");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Orders")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Implementer", "Implementer")
+                        .WithMany("Orders")
+                        .HasForeignKey("ImplementerId");
+
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Manufacture", "Manufacture")
+                        .WithMany("Orders")
+                        .HasForeignKey("ManufactureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Client");
+
+                    b.Navigation("Implementer");
+
+                    b.Navigation("Manufacture");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("MessageInfos");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Implementer", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Manufacture", b =>
+                {
+                    b.Navigation("Orders");
+
+                    b.Navigation("WorkPieces");
+                });
+
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.WorkPiece", b =>
+                {
+                    b.Navigation("ManufactureWorkPieces");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/20230420201528_TwoLabWork07.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/20230420201528_TwoLabWork07.cs
new file mode 100644
index 0000000..921d516
--- /dev/null
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/20230420201528_TwoLabWork07.cs
@@ -0,0 +1,59 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace BlacksmithWorkshopDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class TwoLabWork07 : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+			migrationBuilder.Sql("DELETE FROM [dbo].[Orders]");
+			migrationBuilder.Sql("DELETE FROM [dbo].[Messages]");
+
+			migrationBuilder.AlterColumn<int>(
+                name: "ClientId",
+                table: "Messages",
+                type: "int",
+                nullable: true,
+                oldClrType: typeof(int),
+                oldType: "int");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Messages_ClientId",
+                table: "Messages",
+                column: "ClientId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Messages_Clients_ClientId",
+                table: "Messages",
+                column: "ClientId",
+                principalTable: "Clients",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Messages_Clients_ClientId",
+                table: "Messages");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Messages_ClientId",
+                table: "Messages");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "ClientId",
+                table: "Messages",
+                type: "int",
+                nullable: false,
+                defaultValue: 0,
+                oldClrType: typeof(int),
+                oldType: "int",
+                oldNullable: true);
+        }
+    }
+}
diff --git a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/BlacksmithWorkshopDatabaseModelSnapshot.cs b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/BlacksmithWorkshopDatabaseModelSnapshot.cs
index e084b52..52bb683 100644
--- a/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/BlacksmithWorkshopDatabaseModelSnapshot.cs
+++ b/BlacksmithWorkshop/BlacksmithWorkshopDatabaseImplement/Migrations/BlacksmithWorkshopDatabaseModelSnapshot.cs
@@ -130,7 +130,6 @@ namespace BlacksmithWorkshopDatabaseImplement.Migrations
                         .HasColumnType("nvarchar(max)");
 
                     b.Property<int?>("ClientId")
-                        .IsRequired()
                         .HasColumnType("int");
 
                     b.Property<DateTime>("DateDelivery")
@@ -146,6 +145,8 @@ namespace BlacksmithWorkshopDatabaseImplement.Migrations
 
                     b.HasKey("MessageId");
 
+                    b.HasIndex("ClientId");
+
                     b.ToTable("Messages");
                 });
 
@@ -231,6 +232,15 @@ namespace BlacksmithWorkshopDatabaseImplement.Migrations
                     b.Navigation("WorkPiece");
                 });
 
+            modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.MessageInfo", b =>
+                {
+                    b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Client", "Client")
+                        .WithMany("MessageInfos")
+                        .HasForeignKey("ClientId");
+
+                    b.Navigation("Client");
+                });
+
             modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Order", b =>
                 {
                     b.HasOne("BlacksmithWorkshopDatabaseImplement.Models.Client", "Client")
@@ -258,6 +268,8 @@ namespace BlacksmithWorkshopDatabaseImplement.Migrations
 
             modelBuilder.Entity("BlacksmithWorkshopDatabaseImplement.Models.Client", b =>
                 {
+                    b.Navigation("MessageInfos");
+
                     b.Navigation("Orders");
                 });