diff --git a/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/20240519212229_InitialCommit.Designer.cs b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/20240519212229_InitialCommit.Designer.cs
new file mode 100644
index 0000000..e8b408d
--- /dev/null
+++ b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/20240519212229_InitialCommit.Designer.cs
@@ -0,0 +1,183 @@
+// <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 PersonnelDepartmentDatabaseImplement;
+
+#nullable disable
+
+namespace PersonnelDepartmentDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PersonnelDepartmentDatabase))]
+    [Migration("20240519212229_InitialCommit")]
+    partial class InitialCommit
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Deal", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateFrom")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("DateTo")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("DepartmentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("EmployeeId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PositionId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("TypeId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DepartmentId");
+
+                    b.HasIndex("EmployeeId");
+
+                    b.HasIndex("PositionId");
+
+                    b.HasIndex("TypeId");
+
+                    b.ToTable("Deals");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Department", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<long>("Telephone")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Departments");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("LastName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Patronymic")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Employees");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Position", 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("Positions");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Type", 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("Types");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Deal", b =>
+                {
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Department", "Department")
+                        .WithMany()
+                        .HasForeignKey("DepartmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany()
+                        .HasForeignKey("EmployeeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Position", "Position")
+                        .WithMany()
+                        .HasForeignKey("PositionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Type", "Type")
+                        .WithMany()
+                        .HasForeignKey("TypeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Department");
+
+                    b.Navigation("Employee");
+
+                    b.Navigation("Position");
+
+                    b.Navigation("Type");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/20240519212229_InitialCommit.cs b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/20240519212229_InitialCommit.cs
new file mode 100644
index 0000000..b79876c
--- /dev/null
+++ b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/20240519212229_InitialCommit.cs
@@ -0,0 +1,152 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace PersonnelDepartmentDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCommit : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Departments",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    Telephone = table.Column<long>(type: "bigint", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Departments", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Employees",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    FirstName = table.Column<string>(type: "text", nullable: false),
+                    LastName = table.Column<string>(type: "text", nullable: false),
+                    Patronymic = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Employees", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Positions",
+                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_Positions", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Types",
+                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_Types", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Deals",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    DateFrom = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    DateTo = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    PositionId = table.Column<int>(type: "integer", nullable: false),
+                    EmployeeId = table.Column<int>(type: "integer", nullable: false),
+                    DepartmentId = table.Column<int>(type: "integer", nullable: false),
+                    TypeId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Deals", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Deals_Departments_DepartmentId",
+                        column: x => x.DepartmentId,
+                        principalTable: "Departments",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Deals_Employees_EmployeeId",
+                        column: x => x.EmployeeId,
+                        principalTable: "Employees",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Deals_Positions_PositionId",
+                        column: x => x.PositionId,
+                        principalTable: "Positions",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_Deals_Types_TypeId",
+                        column: x => x.TypeId,
+                        principalTable: "Types",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Deals_DepartmentId",
+                table: "Deals",
+                column: "DepartmentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Deals_EmployeeId",
+                table: "Deals",
+                column: "EmployeeId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Deals_PositionId",
+                table: "Deals",
+                column: "PositionId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Deals_TypeId",
+                table: "Deals",
+                column: "TypeId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Deals");
+
+            migrationBuilder.DropTable(
+                name: "Departments");
+
+            migrationBuilder.DropTable(
+                name: "Employees");
+
+            migrationBuilder.DropTable(
+                name: "Positions");
+
+            migrationBuilder.DropTable(
+                name: "Types");
+        }
+    }
+}
diff --git a/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/PersonnelDepartmentDatabaseModelSnapshot.cs b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/PersonnelDepartmentDatabaseModelSnapshot.cs
new file mode 100644
index 0000000..9f25827
--- /dev/null
+++ b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/Migrations/PersonnelDepartmentDatabaseModelSnapshot.cs
@@ -0,0 +1,180 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PersonnelDepartmentDatabaseImplement;
+
+#nullable disable
+
+namespace PersonnelDepartmentDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PersonnelDepartmentDatabase))]
+    partial class PersonnelDepartmentDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Deal", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("DateFrom")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("DateTo")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("DepartmentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("EmployeeId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PositionId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("TypeId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DepartmentId");
+
+                    b.HasIndex("EmployeeId");
+
+                    b.HasIndex("PositionId");
+
+                    b.HasIndex("TypeId");
+
+                    b.ToTable("Deals");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Department", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<long>("Telephone")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Departments");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Employee", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("LastName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Patronymic")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Employees");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Position", 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("Positions");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Type", 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("Types");
+                });
+
+            modelBuilder.Entity("PersonnelDepartmentDatabaseImplement.Models.Deal", b =>
+                {
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Department", "Department")
+                        .WithMany()
+                        .HasForeignKey("DepartmentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Employee", "Employee")
+                        .WithMany()
+                        .HasForeignKey("EmployeeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Position", "Position")
+                        .WithMany()
+                        .HasForeignKey("PositionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PersonnelDepartmentDatabaseImplement.Models.Type", "Type")
+                        .WithMany()
+                        .HasForeignKey("TypeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Department");
+
+                    b.Navigation("Employee");
+
+                    b.Navigation("Position");
+
+                    b.Navigation("Type");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}