diff --git a/Demo/Migrations/20241025085326_InitialCreate.Designer.cs b/Demo/Migrations/20241025085326_InitialCreate.Designer.cs
new file mode 100644
index 0000000..c3f3dd9
--- /dev/null
+++ b/Demo/Migrations/20241025085326_InitialCreate.Designer.cs
@@ -0,0 +1,123 @@
+// <auto-generated />
+using System;
+using Demo.Data.RemoteData.RemoteDataBase;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Demo.Migrations
+{
+    [DbContext(typeof(RemoteDatabaseContext))]
+    [Migration("20241025085326_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.10")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Demo.Data.RemoteData.RemoteDataBase.DAO.GroupDao", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Groups");
+                });
+
+            modelBuilder.Entity("Demo.Data.RemoteData.RemoteDataBase.DAO.PresenceDao", b =>
+                {
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.Property<DateOnly>("Date")
+                        .HasColumnType("date");
+
+                    b.Property<bool>("IsAttedance")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("LessonNumber")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("GroupId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("UserDaoUserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("UserId", "Date", "IsAttedance", "LessonNumber");
+
+                    b.HasIndex("UserDaoUserId");
+
+                    b.ToTable("PresenceDaos");
+                });
+
+            modelBuilder.Entity("Demo.Data.RemoteData.RemoteDataBase.DAO.UserDao", b =>
+                {
+                    b.Property<int>("UserId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("UserId"));
+
+                    b.Property<string>("FIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("GroupId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("UserId");
+
+                    b.HasIndex("GroupId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Demo.Data.RemoteData.RemoteDataBase.DAO.PresenceDao", b =>
+                {
+                    b.HasOne("Demo.Data.RemoteData.RemoteDataBase.DAO.UserDao", "UserDao")
+                        .WithMany()
+                        .HasForeignKey("UserDaoUserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("UserDao");
+                });
+
+            modelBuilder.Entity("Demo.Data.RemoteData.RemoteDataBase.DAO.UserDao", b =>
+                {
+                    b.HasOne("Demo.Data.RemoteData.RemoteDataBase.DAO.GroupDao", "Group")
+                        .WithMany("Users")
+                        .HasForeignKey("GroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Group");
+                });
+
+            modelBuilder.Entity("Demo.Data.RemoteData.RemoteDataBase.DAO.GroupDao", b =>
+                {
+                    b.Navigation("Users");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Demo/Migrations/20241025085326_InitialCreate.cs b/Demo/Migrations/20241025085326_InitialCreate.cs
new file mode 100644
index 0000000..643f15c
--- /dev/null
+++ b/Demo/Migrations/20241025085326_InitialCreate.cs
@@ -0,0 +1,94 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Demo.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Groups",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Groups", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    UserId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    FIO = table.Column<string>(type: "text", nullable: false),
+                    GroupId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.UserId);
+                    table.ForeignKey(
+                        name: "FK_Users_Groups_GroupId",
+                        column: x => x.GroupId,
+                        principalTable: "Groups",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PresenceDaos",
+                columns: table => new
+                {
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    IsAttedance = table.Column<bool>(type: "boolean", nullable: false),
+                    Date = table.Column<DateOnly>(type: "date", nullable: false),
+                    LessonNumber = table.Column<int>(type: "integer", nullable: false),
+                    UserDaoUserId = table.Column<int>(type: "integer", nullable: false),
+                    GroupId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PresenceDaos", x => new { x.UserId, x.Date, x.IsAttedance, x.LessonNumber });
+                    table.ForeignKey(
+                        name: "FK_PresenceDaos_Users_UserDaoUserId",
+                        column: x => x.UserDaoUserId,
+                        principalTable: "Users",
+                        principalColumn: "UserId",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PresenceDaos_UserDaoUserId",
+                table: "PresenceDaos",
+                column: "UserDaoUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_GroupId",
+                table: "Users",
+                column: "GroupId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "PresenceDaos");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+
+            migrationBuilder.DropTable(
+                name: "Groups");
+        }
+    }
+}