diff --git a/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240406195855_AddClientEntity.Designer.cs b/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240406195855_AddClientEntity.Designer.cs
new file mode 100644
index 0000000..c807030
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240406195855_AddClientEntity.Designer.cs
@@ -0,0 +1,214 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using SecuritySystemDatabaseImplement;
+
+#nullable disable
+
+namespace SecuritySystemDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SecuritySystemDatabase))]
+    [Migration("20240406195855_AddClientEntity")]
+    partial class AddClientEntity
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.16")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.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("SecuritySystemDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.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>("SecureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClientId");
+
+                    b.HasIndex("SecureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Secure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<string>("SecureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Secures");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.SecureComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SecureId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("SecureId");
+
+                    b.ToTable("SecureComponents");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Orders")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
+                        .WithMany("Orders")
+                        .HasForeignKey("SecureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Client");
+
+                    b.Navigation("Secure");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.SecureComponent", b =>
+                {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Component", "Component")
+                        .WithMany("SecureComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
+                        .WithMany("Components")
+                        .HasForeignKey("SecureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Secure");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("SecureComponents");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Secure", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240406195855_AddClientEntity.cs b/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240406195855_AddClientEntity.cs
new file mode 100644
index 0000000..840de40
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240406195855_AddClientEntity.cs
@@ -0,0 +1,69 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SecuritySystemDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddClientEntity : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql("DELETE FROM [dbo].[Orders];");
+            migrationBuilder.AddColumn<int>(
+                name: "ClientId",
+                table: "Orders",
+                type: "int",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.CreateTable(
+                name: "Clients",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ClientFIO = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Email = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Clients", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_ClientId",
+                table: "Orders",
+                column: "ClientId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Orders_Clients_ClientId",
+                table: "Orders",
+                column: "ClientId",
+                principalTable: "Clients",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Orders_Clients_ClientId",
+                table: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Clients");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Orders_ClientId",
+                table: "Orders");
+
+            migrationBuilder.DropColumn(
+                name: "ClientId",
+                table: "Orders");
+        }
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/SecuritySystemDatabaseModelSnapshot.cs b/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/SecuritySystemDatabaseModelSnapshot.cs
index bfa036c..750f092 100644
--- a/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/SecuritySystemDatabaseModelSnapshot.cs
+++ b/SecuritySystem/SecuritySystemDatabaseImplement/Migrations/SecuritySystemDatabaseModelSnapshot.cs
@@ -22,6 +22,31 @@ namespace SecuritySystemDatabaseImplement.Migrations
 
             SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
 
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.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("SecuritySystemDatabaseImplement.Models.Component", b =>
                 {
                     b.Property<int>("Id")
@@ -50,6 +75,9 @@ namespace SecuritySystemDatabaseImplement.Migrations
 
                     SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
 
+                    b.Property<int>("ClientId")
+                        .HasColumnType("int");
+
                     b.Property<int>("Count")
                         .HasColumnType("int");
 
@@ -70,6 +98,8 @@ namespace SecuritySystemDatabaseImplement.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("ClientId");
+
                     b.HasIndex("SecureId");
 
                     b.ToTable("Orders");
@@ -123,12 +153,20 @@ namespace SecuritySystemDatabaseImplement.Migrations
 
             modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Order", b =>
                 {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Orders")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
                     b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
                         .WithMany("Orders")
                         .HasForeignKey("SecureId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
+                    b.Navigation("Client");
+
                     b.Navigation("Secure");
                 });
 
@@ -151,6 +189,11 @@ namespace SecuritySystemDatabaseImplement.Migrations
                     b.Navigation("Secure");
                 });
 
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Orders");
+                });
+
             modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Component", b =>
                 {
                     b.Navigation("SecureComponents");