diff --git a/RenovationWork/RenovationWork/Program.cs b/RenovationWork/RenovationWork/Program.cs
index 632e3c8..100b404 100644
--- a/RenovationWork/RenovationWork/Program.cs
+++ b/RenovationWork/RenovationWork/Program.cs
@@ -1,7 +1,7 @@
 using RenovationWorkBusinessLogic.BusinessLogics;
 using RenovationWorkContracts.BusinessLogicsContracts;
 using RenovationWorkContracts.StoragesContracts;
-using RenovationWorkFileImplement.Implements;
+using RenovationWorkDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
diff --git a/RenovationWork/RenovationWork/RenovationWorkView.csproj b/RenovationWork/RenovationWork/RenovationWorkView.csproj
index 709081e..328de6e 100644
--- a/RenovationWork/RenovationWork/RenovationWorkView.csproj
+++ b/RenovationWork/RenovationWork/RenovationWorkView.csproj
@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="NLog" Version="5.2.8" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
   </ItemGroup>
@@ -16,6 +20,7 @@
   <ItemGroup>
     <ProjectReference Include="..\RenovationWorkBusinessLogic\RenovationWorkBusinessLogic.csproj" />
     <ProjectReference Include="..\RenovationWorkContracts\RenovationWorkContracts.csproj" />
+    <ProjectReference Include="..\RenovationWorkDatabaseImplement\RenovationWorkDatabaseImplement.csproj" />
     <ProjectReference Include="..\RenovationWorkFileImplement\RenovationWorkFileImplement.csproj" />
     <ProjectReference Include="..\RenovationWorkListImplement\RenovationWorkListImplement.csproj" />
   </ItemGroup>
diff --git a/RenovationWork/RenovationWorkBusinessLogic/RenovationWorkBusinessLogic.csproj b/RenovationWork/RenovationWorkBusinessLogic/RenovationWorkBusinessLogic.csproj
index 62a4b97..cdb3aba 100644
--- a/RenovationWork/RenovationWorkBusinessLogic/RenovationWorkBusinessLogic.csproj
+++ b/RenovationWork/RenovationWorkBusinessLogic/RenovationWorkBusinessLogic.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/RenovationWork/RenovationWorkContracts/RenovationWorkContracts.csproj b/RenovationWork/RenovationWorkContracts/RenovationWorkContracts.csproj
index 96ab30f..5d92d02 100644
--- a/RenovationWork/RenovationWorkContracts/RenovationWorkContracts.csproj
+++ b/RenovationWork/RenovationWorkContracts/RenovationWorkContracts.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/RenovationWork/RenovationWorkDataModels/RenovationWorkDataModels.csproj b/RenovationWork/RenovationWorkDataModels/RenovationWorkDataModels.csproj
index 132c02c..30402ac 100644
--- a/RenovationWork/RenovationWorkDataModels/RenovationWorkDataModels.csproj
+++ b/RenovationWork/RenovationWorkDataModels/RenovationWorkDataModels.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Implements/ComponentStorage.cs b/RenovationWork/RenovationWorkDatabaseImplement/Implements/ComponentStorage.cs
new file mode 100644
index 0000000..66535a6
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Implements/ComponentStorage.cs
@@ -0,0 +1,81 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDatabaseImplement;
+using RenovationWorkDatabaseImplement.Models;
+
+namespace RenovationWorkDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new RenovationWorkDatabase();
+            return context.Components
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Components
+            .Where(x => x.ComponentName.Contains(model.ComponentName))
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Components
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
+           model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new RenovationWorkDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Implements/OrderStorage.cs b/RenovationWork/RenovationWorkDatabaseImplement/Implements/OrderStorage.cs
new file mode 100644
index 0000000..561b83d
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Implements/OrderStorage.cs
@@ -0,0 +1,94 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace RenovationWorkDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var Context = new RenovationWorkDatabase();
+
+            return Context.Orders
+                .Include(x => x.Repair)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel Model)
+        {
+            if (!Model.Id.HasValue)
+                return new();
+
+            using var Context = new RenovationWorkDatabase();
+
+            return Context.Orders
+                .Include(x => x.Repair)
+                .Where(x => x.Id == Model.Id)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel Model)
+        {
+            if (!Model.Id.HasValue)
+                return new();
+
+            using var Context = new RenovationWorkDatabase();
+
+            return Context.Orders
+                .Include(x => x.Repair)
+                .FirstOrDefault(x => x.Id == Model.Id)
+                ?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel Model)
+        {
+            using var Context = new RenovationWorkDatabase();
+
+            if (Model == null)
+                return null;
+
+            var NewOrder = Order.Create(Context, Model);
+            if (NewOrder == null)
+                return null;
+
+            Context.Orders.Add(NewOrder);
+            Context.SaveChanges();
+
+            return NewOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel Model)
+        {
+            using var Context = new RenovationWorkDatabase();
+
+            var Order = Context.Orders.FirstOrDefault(x => x.Id == Model.Id);
+            if (Order == null)
+                return null;
+
+            Order.Update(Model);
+            Context.SaveChanges();
+
+            return Order.GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel Model)
+        {
+            using var Context = new RenovationWorkDatabase();
+            var Order = Context.Orders.FirstOrDefault(rec => rec.Id == Model.Id);
+
+            if (Order == null)
+                return null;
+
+            Context.Orders.Remove(Order);
+            Context.SaveChanges();
+
+            return Order.GetViewModel;
+        }
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Implements/RepairStorage.cs b/RenovationWork/RenovationWorkDatabaseImplement/Implements/RepairStorage.cs
new file mode 100644
index 0000000..837c6b7
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Implements/RepairStorage.cs
@@ -0,0 +1,103 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+namespace RenovationWorkDatabaseImplement.Implements
+{
+    public class RepairStorage : IRepairStorage
+    {
+        public List<RepairViewModel> GetFullList()
+        {
+            using var context = new RenovationWorkDatabase();
+            return context.Repairs
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<RepairViewModel> GetFilteredList(RepairSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RepairName))
+            {
+                return new();
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Repairs
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.RepairName.Contains(model.RepairName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public RepairViewModel? GetElement(RepairSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RepairName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Repairs
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.RepairName) &&
+            x.RepairName == model.RepairName) ||
+            (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public RepairViewModel? Insert(RepairBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var newRepair = Repair.Create(context, model);
+            if (newRepair == null)
+            {
+                return null;
+            }
+            context.Repairs.Add(newRepair);
+            context.SaveChanges();
+            return newRepair.GetViewModel;
+        }
+        public RepairViewModel? Update(RepairBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var repair = context.Repairs.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (repair == null)
+                {
+                    return null;
+                }
+                repair.Update(model);
+                context.SaveChanges();
+                repair.UpdateComponents(context, model);
+                transaction.Commit();
+                return repair.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public RepairViewModel? Delete(RepairBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var element = context.Repairs
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Repairs.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
+
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240405063901_InitialCreate.Designer.cs b/RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240405063901_InitialCreate.Designer.cs
new file mode 100644
index 0000000..7830f94
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240405063901_InitialCreate.Designer.cs
@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using RenovationWorkDatabaseImplement;
+
+#nullable disable
+
+namespace RenovationWorkDatabaseImplement.Migrations
+{
+    [DbContext(typeof(RenovationWorkDatabase))]
+    [Migration("20240405063901_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("RepairName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Repairs");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("RepairComponents");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Orders")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Component", "Component")
+                        .WithMany("RepairComponent")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Components")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("RepairComponent");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240405063901_InitialCreate.cs b/RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240405063901_InitialCreate.cs
new file mode 100644
index 0000000..24f1e69
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240405063901_InitialCreate.cs
@@ -0,0 +1,126 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace RenovationWorkDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ComponentName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Repairs",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RepairName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Repairs", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RepairId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp without time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Repairs_RepairId",
+                        column: x => x.RepairId,
+                        principalTable: "Repairs",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RepairComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RepairId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_RepairComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RepairComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RepairComponents_Repairs_RepairId",
+                        column: x => x.RepairId,
+                        principalTable: "Repairs",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_RepairId",
+                table: "Orders",
+                column: "RepairId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RepairComponents_ComponentId",
+                table: "RepairComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RepairComponents_RepairId",
+                table: "RepairComponents",
+                column: "RepairId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "RepairComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Repairs");
+        }
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Migrations/RenovationWorkDatabaseModelSnapshot.cs b/RenovationWork/RenovationWorkDatabaseImplement/Migrations/RenovationWorkDatabaseModelSnapshot.cs
new file mode 100644
index 0000000..856a482
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Migrations/RenovationWorkDatabaseModelSnapshot.cs
@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using RenovationWorkDatabaseImplement;
+
+#nullable disable
+
+namespace RenovationWorkDatabaseImplement.Migrations
+{
+    [DbContext(typeof(RenovationWorkDatabase))]
+    partial class RenovationWorkDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("RepairName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Repairs");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("RepairComponents");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Orders")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Component", "Component")
+                        .WithMany("RepairComponent")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Components")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("RepairComponent");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Models/Component.cs b/RenovationWork/RenovationWorkDatabaseImplement/Models/Component.cs
index 44a53e0..169c024 100644
--- a/RenovationWork/RenovationWorkDatabaseImplement/Models/Component.cs
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Models/Component.cs
@@ -20,7 +20,7 @@ namespace RenovationWorkDatabaseImplement.Models
         [Required]
         public double Cost { get; set; }
         [ForeignKey("ComponentId")]
-        public virtual List<ProductComponent> ProductComponents { get; set; } = new();
+        public virtual List<RepairComponent> RepairComponent { get; set; } = new();
         public static Component? Create(ComponentBindingModel model)
         {
             if (model == null)
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Models/Order.cs b/RenovationWork/RenovationWorkDatabaseImplement/Models/Order.cs
index 14ad066..a946e8e 100644
--- a/RenovationWork/RenovationWorkDatabaseImplement/Models/Order.cs
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Models/Order.cs
@@ -1,5 +1,7 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -13,57 +15,63 @@ namespace RenovationWorkDatabaseImplement.Models
     public class Order : IOrderModel
     {
         public int Id { get; private set; }
-
+        
+        [Required]
         public int RepairId { get; private set; }
-
+        
+        public virtual Repair Repair { get; set; } = new();
+        
+        [Required]
         public int Count { get; private set; }
-
+        
+        [Required]
         public double Sum { get; private set; }
-
-        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
-
-        public DateTime DateCreate { get; set; } = DateTime.Now;
-
-        public DateTime? DateImplement { get; set; }
-
-        public static Order? Create(OrderBindingModel? model)
+        
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+        
+        public DateTime? DateImplement { get; private set; }
+        
+        public static Order Create(RenovationWorkDatabase context, OrderBindingModel Model)
         {
-            if (model == null)
-            {
-                return null;
-            }
             return new Order()
             {
-                Id = model.Id,
-                RepairId = model.RepairId,
-                Count = model.Count,
-                Sum = model.Sum,
-                Status = model.Status,
-                DateCreate = model.DateCreate,
-                DateImplement = model.DateImplement
+                Id = Model.Id,
+                RepairId = Model.RepairId,
+                Count = Model.Count,
+                Sum = Model.Sum,
+                Status = Model.Status,
+                DateCreate = Model.DateCreate,
+                DateImplement = Model.DateImplement,
             };
         }
-        public void Update(OrderBindingModel? model)
+        
+        public void Update(OrderBindingModel Model)
         {
-            if (model == null)
-            {
+            if (Model == null)
                 return;
-            }
-            Status = model.Status;
-            if (model.DateImplement != null)
-            {
-                DateImplement = model.DateImplement;
-            }
+
+            Id = Model.Id;
+            RepairId = Model.RepairId;
+            Sum = Model.Sum;
+            Status = Model.Status;
+            DateCreate = Model.DateCreate;
+            DateImplement = Model.DateImplement;
         }
+        
         public OrderViewModel GetViewModel => new()
         {
             Id = Id,
             RepairId = RepairId,
+            RepairName = Repair.RepairName,
             Count = Count,
             Sum = Sum,
             Status = Status,
             DateCreate = DateCreate,
-            DateImplement = DateImplement
+            DateImplement = DateImplement,
         };
     }
 }
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Models/Repair.cs b/RenovationWork/RenovationWorkDatabaseImplement/Models/Repair.cs
index e2ee449..a73825e 100644
--- a/RenovationWork/RenovationWorkDatabaseImplement/Models/Repair.cs
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Models/Repair.cs
@@ -1,47 +1,53 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.BindingModels;
 using RenovationWorkContracts.ViewModels;
 using RenovationWorkDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace RenovationWorkDatabaseImplement.Models
 {
     public class Repair : IRepairModel
     {
-        public int Id { get; private set; }
-        public string RepairName { get; private set; } = string.Empty;
-        public double Price { get; private set; }
+        public int Id { get; set; }
+        [Required]
+        public string RepairName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _repairComponents = null;
+        [NotMapped]
         public Dictionary<int, (IComponentModel, int)> RepairComponents
         {
-            get;
-            private set;
-        } = new Dictionary<int, (IComponentModel, int)>();
-        public static Repair? Create(RepairBindingModel? model)
-        {
-            if (model == null)
+            get
             {
-                return null;
+                if (_repairComponents == null)
+                {
+                    _repairComponents = Components.ToDictionary(recDC => recDC.ComponentId, recDC => (recDC.Component as IComponentModel, recDC.Count));
+                }
+                return _repairComponents;
             }
+        }
+        [ForeignKey("RepairId")]
+        public virtual List<RepairComponent> Components { get; set; } = new();
+        [ForeignKey("RepairId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Repair Create(RenovationWorkDatabase context, RepairBindingModel model)
+        {
             return new Repair()
             {
                 Id = model.Id,
                 RepairName = model.RepairName,
                 Price = model.Price,
-                RepairComponents = model.RepairComponents
+                Components = model.RepairComponents.Select(x => new RepairComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
             };
         }
-        public void Update(RepairBindingModel? model)
+        public void Update(RepairBindingModel model)
         {
-            if (model == null)
-            {
-                return;
-            }
             RepairName = model.RepairName;
             Price = model.Price;
-            RepairComponents = model.RepairComponents;
         }
         public RepairViewModel GetViewModel => new()
         {
@@ -50,5 +56,32 @@ namespace RenovationWorkDatabaseImplement.Models
             Price = Price,
             RepairComponents = RepairComponents
         };
+        public void UpdateComponents(RenovationWorkDatabase context, RepairBindingModel model)
+        {
+            var repairComponents = context.RepairComponents.Where(rec => rec.RepairId == model.Id).ToList();
+            if (repairComponents != null && repairComponents.Count > 0)
+            {
+                context.RepairComponents.RemoveRange(repairComponents.Where(rec => !model.RepairComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                foreach (var updateComponent in repairComponents)
+                {
+                    updateComponent.Count = model.RepairComponents[updateComponent.ComponentId].Item2;
+                    model.RepairComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var repair = context.Repairs.First(x => x.Id == Id);
+            foreach (var pc in model.RepairComponents)
+            {
+                context.RepairComponents.Add(new RepairComponent
+                {
+                    Repair = repair,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _repairComponents = null;
+        }
     }
 }
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/Models/RepairComponent.cs b/RenovationWork/RenovationWorkDatabaseImplement/Models/RepairComponent.cs
new file mode 100644
index 0000000..badf66c
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/Models/RepairComponent.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RenovationWorkDatabaseImplement.Models
+{
+    public class RepairComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int RepairId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Repair Repair { get; set; } = new();
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabase.cs b/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabase.cs
new file mode 100644
index 0000000..19309f2
--- /dev/null
+++ b/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabase.cs
@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+using RenovationWorkDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RenovationWorkDatabaseImplement
+{
+    public class RenovationWorkDatabase: DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=RenovationWorkDatabaseFull;Username=postgres;Password=postgres");
+            }
+
+            base.OnConfiguring(optionsBuilder);
+
+            AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+            AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Repair> Repairs { set; get; }
+        public virtual DbSet<RepairComponent> RepairComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}
diff --git a/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabaseImplement.csproj b/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabaseImplement.csproj
index 4cb968c..db012e9 100644
--- a/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabaseImplement.csproj
+++ b/RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabaseImplement.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
@@ -11,12 +11,12 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.17" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.17" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.17">
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/RenovationWork/RenovationWorkFileImplement/RenovationWorkFileImplement.csproj b/RenovationWork/RenovationWorkFileImplement/RenovationWorkFileImplement.csproj
index 2d896a8..3d6a79f 100644
--- a/RenovationWork/RenovationWorkFileImplement/RenovationWorkFileImplement.csproj
+++ b/RenovationWork/RenovationWorkFileImplement/RenovationWorkFileImplement.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/RenovationWork/RenovationWorkListImplement/RenovationWorkListImplement.csproj b/RenovationWork/RenovationWorkListImplement/RenovationWorkListImplement.csproj
index 2d896a8..3d6a79f 100644
--- a/RenovationWork/RenovationWorkListImplement/RenovationWorkListImplement.csproj
+++ b/RenovationWork/RenovationWorkListImplement/RenovationWorkListImplement.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>