diff --git a/DeviceDatabaseImplement/Migrations/20240520003027_InitialCreate.Designer.cs b/DeviceDatabaseImplement/Migrations/20240520003028_InitialCreate.Designer.cs
similarity index 100%
rename from DeviceDatabaseImplement/Migrations/20240520003027_InitialCreate.Designer.cs
rename to DeviceDatabaseImplement/Migrations/20240520003028_InitialCreate.Designer.cs
diff --git a/DeviceDatabaseImplement/Migrations/20240520003027_InitialCreate.cs b/DeviceDatabaseImplement/Migrations/20240520003028_InitialCreate.cs
similarity index 60%
rename from DeviceDatabaseImplement/Migrations/20240520003027_InitialCreate.cs
rename to DeviceDatabaseImplement/Migrations/20240520003028_InitialCreate.cs
index fc32b58..fbd715e 100644
--- a/DeviceDatabaseImplement/Migrations/20240520003027_InitialCreate.cs
+++ b/DeviceDatabaseImplement/Migrations/20240520003028_InitialCreate.cs
@@ -19,16 +19,31 @@ namespace DeviceDatabaseImplement.Migrations
                         .Annotation("SqlServer:Identity", "1, 1"),
                     Room = table.Column<string>(type: "nvarchar(max)", nullable: false),
                     Building = table.Column<int>(type: "int", nullable: false),
-                    CabinetId = table.Column<int>(type: "int", nullable: true)
                 },
                 constraints: table =>
                 {
-                    table.PrimaryKey("PK_Cabinets", x => x.Id);
+                    table.PrimaryKey("Cabinets_PKey", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Kits",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Title = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Cabinet_Id = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("Kits_PKey", x => x.Id);
                     table.ForeignKey(
-                        name: "FK_Cabinets_Cabinets_CabinetId",
-                        column: x => x.CabinetId,
+                        name: "Kits_Cabinet_Id_FKey",
+                        column: x => x.Cabinet_Id,
                         principalTable: "Cabinets",
-                        principalColumn: "Id");
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.SetNull,
+                        onUpdate: ReferentialAction.Cascade);
                 });
 
             migrationBuilder.CreateTable(
@@ -42,65 +57,7 @@ namespace DeviceDatabaseImplement.Migrations
                 },
                 constraints: table =>
                 {
-                    table.PrimaryKey("PK_Kinds", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Services",
-                columns: table => new
-                {
-                    Id = table.Column<int>(type: "int", nullable: false)
-                        .Annotation("SqlServer:Identity", "1, 1"),
-                    Description = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    StartDate = table.Column<DateOnly>(type: "date", nullable: false),
-                    EndDate = table.Column<DateOnly>(type: "date", nullable: true),
-                    DeviceId = table.Column<int>(type: "int", nullable: false),
-                    ServiceId = table.Column<int>(type: "int", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Services", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_Services_Services_ServiceId",
-                        column: x => x.ServiceId,
-                        principalTable: "Services",
-                        principalColumn: "Id");
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Staff",
-                columns: table => new
-                {
-                    Id = table.Column<int>(type: "int", nullable: false)
-                        .Annotation("SqlServer:Identity", "1, 1"),
-                    FullName = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    Department = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    Email = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    AccessLevel = table.Column<int>(type: "int", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Staff", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Kits",
-                columns: table => new
-                {
-                    Id = table.Column<int>(type: "int", nullable: false)
-                        .Annotation("SqlServer:Identity", "1, 1"),
-                    Title = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    CabinetId = table.Column<int>(type: "int", nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Kits", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_Kits_Cabinets_CabinetId",
-                        column: x => x.CabinetId,
-                        principalTable: "Cabinets",
-                        principalColumn: "Id");
+                    table.PrimaryKey("Kinds_PKey", x => x.Id);
                 });
 
             migrationBuilder.CreateTable(
@@ -110,82 +67,127 @@ namespace DeviceDatabaseImplement.Migrations
                     Id = table.Column<int>(type: "int", nullable: false)
                         .Annotation("SqlServer:Identity", "1, 1"),
                     Model = table.Column<string>(type: "nvarchar(max)", nullable: false),
-                    SerialNumber = table.Column<string>(type: "nvarchar(max)", nullable: true),
-                    ProductionDate = table.Column<DateOnly>(type: "date", nullable: true),
-                    WarrantyPeriod = table.Column<int>(type: "int", nullable: true),
+                    Serial_Number = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    Production_Date = table.Column<DateOnly>(type: "date", nullable: true),
+                    Warranty_Period = table.Column<int>(type: "int", nullable: true),
                     Condition = table.Column<bool>(type: "bit", nullable: false),
-                    KindId = table.Column<int>(type: "int", nullable: false),
-                    KitId = table.Column<int>(type: "int", nullable: true)
+                    Kind_Id = table.Column<int>(type: "int", nullable: false),
+                    Kit_Id = table.Column<int>(type: "int", nullable: true)
                 },
                 constraints: table =>
                 {
-                    table.PrimaryKey("PK_Devices", x => x.Id);
+                    table.PrimaryKey("Devices_Pkey", x => x.Id);
                     table.ForeignKey(
-                        name: "FK_Devices_Kinds_KindId",
-                        column: x => x.KindId,
+                        name: "Devices_Kind_Id_FKey",
+                        column: x => x.Kind_Id,
                         principalTable: "Kinds",
                         principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
+                        onDelete: ReferentialAction.Restrict,
+                        onUpdate: ReferentialAction.Cascade);
                     table.ForeignKey(
-                        name: "FK_Devices_Kits_KitId",
-                        column: x => x.KitId,
+                        name: "Devices_Kit_Id_FKey",
+                        column: x => x.Kit_Id,
                         principalTable: "Kits",
-                        principalColumn: "Id");
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.SetNull,
+                        onUpdate: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Services",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Description = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Start_Date = table.Column<DateOnly>(type: "date", nullable: false),
+                    End_Date = table.Column<DateOnly>(type: "date", nullable: true),
+                    Device_Id = table.Column<int>(type: "int", nullable: false),
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("Services_PKey", x => x.Id);
+                    table.ForeignKey(
+                        name: "Services_Device_Id_FKey",
+                        column: x => x.Device_Id,
+                        principalTable: "Devices",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade,
+                        onUpdate: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Staff",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Full_Name = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Department = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Email = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Password = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Access_Level = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("Staff_PKey", x => x.Id);
                 });
 
             migrationBuilder.CreateTable(
                 name: "Ownership",
                 columns: table => new
                 {
-                    KitId = table.Column<int>(type: "int", nullable: false),
-                    StaffId = table.Column<int>(type: "int", nullable: false)
+                    Kit_Id = table.Column<int>(type: "int", nullable: false),
+                    Staff_Id = table.Column<int>(type: "int", nullable: false)
                 },
                 constraints: table =>
                 {
-                    table.PrimaryKey("PK_Ownership", x => new { x.StaffId, x.KitId });
+                    table.PrimaryKey("PK_Ownership", x => new { x.Staff_Id, x.Kit_Id });
                     table.ForeignKey(
-                        name: "FK_Ownership_Kits_KitId",
-                        column: x => x.KitId,
+                        name: "Ownership_Kit_Id_FKey",
+                        column: x => x.Kit_Id,
                         principalTable: "Kits",
                         principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
+                        onDelete: ReferentialAction.Cascade,
+                        onUpdate: ReferentialAction.Cascade);
                     table.ForeignKey(
-                        name: "FK_Ownership_Staff_StaffId",
-                        column: x => x.StaffId,
+                        name: "Ownership_Staff_Id_FKey",
+                        column: x => x.Staff_Id,
                         principalTable: "Staff",
                         principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
+                        onDelete: ReferentialAction.Cascade,
+                        onUpdate: ReferentialAction.Cascade);
                 });
 
             migrationBuilder.CreateIndex(
-                name: "IX_Cabinets_CabinetId",
-                table: "Cabinets",
-                column: "CabinetId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_Devices_KindId",
+                name: "IX_Devices_Kind_Id",
                 table: "Devices",
-                column: "KindId");
+                column: "Kind_Id");
 
             migrationBuilder.CreateIndex(
-                name: "IX_Devices_KitId",
+                name: "IX_Devices_Kit_Id",
                 table: "Devices",
-                column: "KitId");
+                column: "Kit_Id");
 
             migrationBuilder.CreateIndex(
-                name: "IX_Kits_CabinetId",
+                name: "IX_Kits_Cabinet_Id",
                 table: "Kits",
-                column: "CabinetId");
+                column: "Cabinet_Id");
 
             migrationBuilder.CreateIndex(
-                name: "IX_Ownership_KitId",
+                name: "IX_Ownership_Kit_Id",
                 table: "Ownership",
-                column: "KitId");
+                column: "Kit_Id");
 
             migrationBuilder.CreateIndex(
-                name: "IX_Services_ServiceId",
+                name: "IX_Ownership_Staff_Id",
+                table: "Ownership",
+                column: "Staff_Id");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Services_Device_Id",
                 table: "Services",
-                column: "ServiceId");
+                column: "Device_Id");
         }
 
         /// <inheritdoc />
diff --git a/DeviceDatabaseImplement/Migrations/DeviceDatabaseModelSnapshot.cs b/DeviceDatabaseImplement/Migrations/DeviceDatabaseModelSnapshot.cs
deleted file mode 100644
index 1da50d9..0000000
--- a/DeviceDatabaseImplement/Migrations/DeviceDatabaseModelSnapshot.cs
+++ /dev/null
@@ -1,297 +0,0 @@
-// <auto-generated />
-using System;
-using DeviceDatabaseImplement;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace DeviceDatabaseImplement.Migrations
-{
-    [DbContext(typeof(DeviceDatabase))]
-    partial class DeviceDatabaseModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "8.0.5")
-                .HasAnnotation("Relational:MaxIdentifierLength", 128);
-
-            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Cabinet", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<int>("Building")
-                        .HasColumnType("int");
-
-                    b.Property<int?>("CabinetId")
-                        .HasColumnType("int");
-
-                    b.Property<string>("Room")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("CabinetId");
-
-                    b.ToTable("Cabinets");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Device", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<bool>("Condition")
-                        .HasColumnType("bit");
-
-                    b.Property<int>("KindId")
-                        .HasColumnType("int");
-
-                    b.Property<int?>("KitId")
-                        .HasColumnType("int");
-
-                    b.Property<string>("Model")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<DateOnly?>("ProductionDate")
-                        .HasColumnType("date");
-
-                    b.Property<string>("SerialNumber")
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<int?>("WarrantyPeriod")
-                        .HasColumnType("int");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("KindId");
-
-                    b.HasIndex("KitId");
-
-                    b.ToTable("Devices");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Kind", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<int>("Frequency")
-                        .HasColumnType("int");
-
-                    b.Property<string>("Title")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Kinds");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Kit", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<int?>("CabinetId")
-                        .HasColumnType("int");
-
-                    b.Property<string>("Title")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("CabinetId");
-
-                    b.ToTable("Kits");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Ownership", b =>
-                {
-                    b.Property<int>("StaffId")
-                        .HasColumnType("int");
-
-                    b.Property<int>("KitId")
-                        .HasColumnType("int");
-
-                    b.HasKey("StaffId", "KitId");
-
-                    b.HasIndex("KitId");
-
-                    b.ToTable("Ownership");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Service", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<string>("Description")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<int>("DeviceId")
-                        .HasColumnType("int");
-
-                    b.Property<DateOnly?>("EndDate")
-                        .HasColumnType("date");
-
-                    b.Property<int?>("ServiceId")
-                        .HasColumnType("int");
-
-                    b.Property<DateOnly>("StartDate")
-                        .HasColumnType("date");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("ServiceId");
-
-                    b.ToTable("Services");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Staff", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
-
-                    b.Property<int>("AccessLevel")
-                        .HasColumnType("int");
-
-                    b.Property<string>("Department")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Email")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("FullName")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.Property<string>("Password")
-                        .IsRequired()
-                        .HasColumnType("nvarchar(max)");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Staff");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Cabinet", b =>
-                {
-                    b.HasOne("DeviceDatabaseImplement.Models.Cabinet", null)
-                        .WithMany("Cabinets")
-                        .HasForeignKey("CabinetId");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Device", b =>
-                {
-                    b.HasOne("DeviceDatabaseImplement.Models.Kind", "Kind")
-                        .WithMany("Devices")
-                        .HasForeignKey("KindId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("DeviceDatabaseImplement.Models.Kit", "Kit")
-                        .WithMany("Devices")
-                        .HasForeignKey("KitId");
-
-                    b.Navigation("Kind");
-
-                    b.Navigation("Kit");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Kit", b =>
-                {
-                    b.HasOne("DeviceDatabaseImplement.Models.Cabinet", "Cabinet")
-                        .WithMany()
-                        .HasForeignKey("CabinetId");
-
-                    b.Navigation("Cabinet");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Ownership", b =>
-                {
-                    b.HasOne("DeviceDatabaseImplement.Models.Kit", "Kits")
-                        .WithMany("Ownership")
-                        .HasForeignKey("KitId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.HasOne("DeviceDatabaseImplement.Models.Staff", "Staff")
-                        .WithMany("Ownership")
-                        .HasForeignKey("StaffId")
-                        .OnDelete(DeleteBehavior.Cascade)
-                        .IsRequired();
-
-                    b.Navigation("Kits");
-
-                    b.Navigation("Staff");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Service", b =>
-                {
-                    b.HasOne("DeviceDatabaseImplement.Models.Service", null)
-                        .WithMany("Services")
-                        .HasForeignKey("ServiceId");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Cabinet", b =>
-                {
-                    b.Navigation("Cabinets");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Kind", b =>
-                {
-                    b.Navigation("Devices");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Kit", b =>
-                {
-                    b.Navigation("Devices");
-
-                    b.Navigation("Ownership");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Service", b =>
-                {
-                    b.Navigation("Services");
-                });
-
-            modelBuilder.Entity("DeviceDatabaseImplement.Models.Staff", b =>
-                {
-                    b.Navigation("Ownership");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}