diff --git a/StorageCompany/StorageCompanyDatabaseImplement/Migrations/20240518230318_InitialCreate.Designer.cs b/StorageCompany/StorageCompanyDatabaseImplement/Migrations/20240518230318_InitialCreate.Designer.cs
new file mode 100644
index 0000000..44a661b
--- /dev/null
+++ b/StorageCompany/StorageCompanyDatabaseImplement/Migrations/20240518230318_InitialCreate.Designer.cs
@@ -0,0 +1,209 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using StorageCompanyDatabaseImplement;
+
+#nullable disable
+
+namespace StorageCompanyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(StorageCompanyDatabase))]
+    [Migration("20240518230318_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Client", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Clients");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ProductNum")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Provider", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Providers");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ClientId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SaleNum")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClientId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProviderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SupplyNum")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("ProviderId");
+
+                    b.ToTable("Supplys");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Sale", b =>
+                {
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Sales")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Sales")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Client");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Supplys")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Provider", "Provider")
+                        .WithMany("Supplys")
+                        .HasForeignKey("ProviderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Provider");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Sales");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Sales");
+
+                    b.Navigation("Supplys");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Provider", b =>
+                {
+                    b.Navigation("Supplys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/StorageCompany/StorageCompanyDatabaseImplement/Migrations/20240518230318_InitialCreate.cs b/StorageCompany/StorageCompanyDatabaseImplement/Migrations/20240518230318_InitialCreate.cs
new file mode 100644
index 0000000..284548a
--- /dev/null
+++ b/StorageCompany/StorageCompanyDatabaseImplement/Migrations/20240518230318_InitialCreate.cs
@@ -0,0 +1,153 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace StorageCompanyDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Clients",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ClientFIO = table.Column<string>(type: "text", nullable: false),
+                    Email = table.Column<string>(type: "text", nullable: false),
+                    Password = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Clients", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Products",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProductName = table.Column<string>(type: "text", nullable: false),
+                    ProductNum = table.Column<int>(type: "integer", nullable: false),
+                    ProductType = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Products", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Providers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProviderFIO = table.Column<string>(type: "text", nullable: false),
+                    Email = table.Column<string>(type: "text", nullable: false),
+                    Password = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Providers", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Sales",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ClientId = table.Column<int>(type: "integer", nullable: false),
+                    ProductId = table.Column<int>(type: "integer", nullable: false),
+                    SaleNum = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Sales", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Sales_Clients_ClientId",
+                        column: x => x.ClientId,
+                        principalTable: "Clients",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Sales_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Supplys",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ProviderId = table.Column<int>(type: "integer", nullable: false),
+                    ProductId = table.Column<int>(type: "integer", nullable: false),
+                    SupplyNum = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Supplys", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Supplys_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Supplys_Providers_ProviderId",
+                        column: x => x.ProviderId,
+                        principalTable: "Providers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Sales_ClientId",
+                table: "Sales",
+                column: "ClientId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Sales_ProductId",
+                table: "Sales",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Supplys_ProductId",
+                table: "Supplys",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Supplys_ProviderId",
+                table: "Supplys",
+                column: "ProviderId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Sales");
+
+            migrationBuilder.DropTable(
+                name: "Supplys");
+
+            migrationBuilder.DropTable(
+                name: "Clients");
+
+            migrationBuilder.DropTable(
+                name: "Products");
+
+            migrationBuilder.DropTable(
+                name: "Providers");
+        }
+    }
+}
diff --git a/StorageCompany/StorageCompanyDatabaseImplement/Migrations/StorageCompanyDatabaseModelSnapshot.cs b/StorageCompany/StorageCompanyDatabaseImplement/Migrations/StorageCompanyDatabaseModelSnapshot.cs
new file mode 100644
index 0000000..2006683
--- /dev/null
+++ b/StorageCompany/StorageCompanyDatabaseImplement/Migrations/StorageCompanyDatabaseModelSnapshot.cs
@@ -0,0 +1,206 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using StorageCompanyDatabaseImplement;
+
+#nullable disable
+
+namespace StorageCompanyDatabaseImplement.Migrations
+{
+    [DbContext(typeof(StorageCompanyDatabase))]
+    partial class StorageCompanyDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Client", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClientFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Clients");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Product", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ProductNum")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Provider", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderFIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Providers");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Sale", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ClientId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SaleNum")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClientId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Supply", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ProductId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ProviderId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SupplyNum")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.HasIndex("ProviderId");
+
+                    b.ToTable("Supplys");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Sale", b =>
+                {
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Client", "Client")
+                        .WithMany("Sales")
+                        .HasForeignKey("ClientId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Sales")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Client");
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Supply", b =>
+                {
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Product", "Product")
+                        .WithMany("Supplys")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("StorageCompanyDatabaseImplement.Models.Provider", "Provider")
+                        .WithMany("Supplys")
+                        .HasForeignKey("ProviderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Provider");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Client", b =>
+                {
+                    b.Navigation("Sales");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Product", b =>
+                {
+                    b.Navigation("Sales");
+
+                    b.Navigation("Supplys");
+                });
+
+            modelBuilder.Entity("StorageCompanyDatabaseImplement.Models.Provider", b =>
+                {
+                    b.Navigation("Supplys");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}