diff --git a/Hotel/HotelContracts/SearchModels/WorkerSearchModel.cs b/Hotel/HotelContracts/SearchModels/WorkerSearchModel.cs
index c3b079f..8aeb01c 100644
--- a/Hotel/HotelContracts/SearchModels/WorkerSearchModel.cs
+++ b/Hotel/HotelContracts/SearchModels/WorkerSearchModel.cs
@@ -9,6 +9,6 @@ namespace HotelContracts.SearchModels
 	public class WorkerSearchModel
 	{
 		public int? Id { get; set; }
-		public int? FIO { get; set; }
+		public string? FIO { get; set; }
 	}
 }
diff --git a/Hotel/HotelDatabaseImplement/HotelDatabase.cs b/Hotel/HotelDatabaseImplement/HotelDatabase.cs
new file mode 100644
index 0000000..4e70968
--- /dev/null
+++ b/Hotel/HotelDatabaseImplement/HotelDatabase.cs
@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore;
+using HotelDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDatabaseImplement
+{
+    public class HotelDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS01;Initial Catalog=HotelDatabaseBD;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Booking> Bookings { get; set; }
+        public virtual DbSet<Client> Clients { get; set; }
+        public virtual DbSet<Post> Posts { get; set; }
+        public virtual DbSet<Room> Rooms { get; set; }
+        public virtual DbSet<Worker> Workers { get; set; }
+    }
+}
diff --git a/Hotel/HotelDatabaseImplement/Implements/BookingStorage.cs b/Hotel/HotelDatabaseImplement/Implements/BookingStorage.cs
index 2d8ac2f..6fbbd7e 100644
--- a/Hotel/HotelDatabaseImplement/Implements/BookingStorage.cs
+++ b/Hotel/HotelDatabaseImplement/Implements/BookingStorage.cs
@@ -1,6 +1,8 @@
-using HotelContracts.SearchModels;
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
 using HotelContracts.StoragesContracts;
 using HotelContracts.ViewModels;
+using HotelDatabaseImplement.Models;
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
@@ -12,6 +14,79 @@ namespace HotelDatabaseImplement.Implements
 {
     public class BookingStorage : IBookingStorage
     {
-        
+        public BookingViewModel? Delete(BookingBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var element = context.Bookings.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Bookings.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public BookingViewModel? GetElement(BookingSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            return context.Bookings.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<BookingViewModel> GetFilteredList(BookingSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new HotelDatabase();
+            return context.Bookings.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<BookingViewModel> GetFullList()
+        {
+            using var context = new HotelDatabase();
+            return context.Bookings.Select(x => x.GetViewModel).ToList();
+        }
+
+        public BookingViewModel? Insert(BookingBindingModel model)
+        {
+            var newBooking = Booking.Create(model);
+            if (newBooking == null)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            context.Bookings.Add(newBooking);
+            context.SaveChanges();
+            return newBooking.GetViewModel;
+        }
+
+        public BookingViewModel? Update(BookingBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var booking = context.Bookings.FirstOrDefault(x => x.Id == model.Id);
+                if (booking == null)
+                {
+                    return null;
+                }
+                booking.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return booking.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
     }
 }
diff --git a/Hotel/HotelDatabaseImplement/Implements/ClientStorage.cs b/Hotel/HotelDatabaseImplement/Implements/ClientStorage.cs
index 74ab6c7..2d77c48 100644
--- a/Hotel/HotelDatabaseImplement/Implements/ClientStorage.cs
+++ b/Hotel/HotelDatabaseImplement/Implements/ClientStorage.cs
@@ -1,4 +1,8 @@
-using HotelContracts.StoragesContracts;
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.StoragesContracts;
+using HotelContracts.ViewModels;
+using HotelDatabaseImplement.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,5 +13,69 @@ namespace HotelDatabaseImplement.Implements
 {
     public class ClientStorage : IClientStorage
     {
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var element = context.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Clients.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            return context.Clients.FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name)) && x.Name == model.Name || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            using var context = new HotelDatabase();
+            return context.Clients.Where(x => x.Name.Contains(model.Name)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            using var context = new HotelDatabase();
+            return context.Clients.Select(x => x.GetViewModel).ToList();
+        }
+
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            var newClient = Client.Create(model);
+            if (newClient == null)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            context.Clients.Add(newClient);
+            context.SaveChanges();
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var component = context.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
     }
 }
diff --git a/Hotel/HotelDatabaseImplement/Implements/PostStorage.cs b/Hotel/HotelDatabaseImplement/Implements/PostStorage.cs
index 2a2a416..afcdc17 100644
--- a/Hotel/HotelDatabaseImplement/Implements/PostStorage.cs
+++ b/Hotel/HotelDatabaseImplement/Implements/PostStorage.cs
@@ -1,4 +1,8 @@
-using HotelContracts.StoragesContracts;
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.StoragesContracts;
+using HotelContracts.ViewModels;
+using HotelDatabaseImplement.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,5 +13,69 @@ namespace HotelDatabaseImplement.Implements
 {
     public class PostStorage : IPostStorage
     {
+        public PostViewModel? Delete(PostBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var element = context.Posts.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Posts.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public PostViewModel? GetElement(PostSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PostName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            return context.Posts.FirstOrDefault(x => (!string.IsNullOrEmpty(model.PostName)) && x.PostName == model.PostName || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<PostViewModel> GetFilteredList(PostSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PostName))
+            {
+                return new();
+            }
+            using var context = new HotelDatabase();
+            return context.Posts.Where(x => x.PostName.Contains(model.PostName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<PostViewModel> GetFullList()
+        {
+            using var context = new HotelDatabase();
+            return context.Posts.Select(x => x.GetViewModel).ToList();
+        }
+
+        public PostViewModel? Insert(PostBindingModel model)
+        {
+            var newPost = Post.Create(model);
+            if (newPost == null)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            context.Posts.Add(newPost);
+            context.SaveChanges();
+            return newPost.GetViewModel;
+        }
+
+        public PostViewModel? Update(PostBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var component = context.Posts.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
     }
 }
diff --git a/Hotel/HotelDatabaseImplement/Implements/RoomStorage.cs b/Hotel/HotelDatabaseImplement/Implements/RoomStorage.cs
index c33a631..7faae26 100644
--- a/Hotel/HotelDatabaseImplement/Implements/RoomStorage.cs
+++ b/Hotel/HotelDatabaseImplement/Implements/RoomStorage.cs
@@ -1,4 +1,8 @@
-using HotelContracts.StoragesContracts;
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.StoragesContracts;
+using HotelContracts.ViewModels;
+using HotelDatabaseImplement.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,5 +13,69 @@ namespace HotelDatabaseImplement.Implements
 {
     public class RoomStorage : IRoomStorage
     {
+        public RoomViewModel? Delete(RoomBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var element = context.Rooms.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Rooms.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public RoomViewModel? GetElement(RoomSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Number.ToString()) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            return context.Rooms.FirstOrDefault(x => (!string.IsNullOrEmpty(model.Number.ToString())) && x.Number.ToString() == model.Number.ToString() || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<RoomViewModel> GetFilteredList(RoomSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Number.ToString()))
+            {
+                return new();
+            }
+            using var context = new HotelDatabase();
+            return context.Rooms.Where(x => x.Number.ToString().Contains(model.Number.ToString())).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<RoomViewModel> GetFullList()
+        {
+            using var context = new HotelDatabase();
+            return context.Rooms.Select(x => x.GetViewModel).ToList();
+        }
+
+        public RoomViewModel? Insert(RoomBindingModel model)
+        {
+            var newRoom = Room.Create(model);
+            if (newRoom == null)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            context.Rooms.Add(newRoom);
+            context.SaveChanges();
+            return newRoom.GetViewModel;
+        }
+
+        public RoomViewModel? Update(RoomBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var component = context.Rooms.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
     }
 }
diff --git a/Hotel/HotelDatabaseImplement/Implements/WorkerStorage.cs b/Hotel/HotelDatabaseImplement/Implements/WorkerStorage.cs
index 31adada..817a69a 100644
--- a/Hotel/HotelDatabaseImplement/Implements/WorkerStorage.cs
+++ b/Hotel/HotelDatabaseImplement/Implements/WorkerStorage.cs
@@ -1,4 +1,8 @@
-using HotelContracts.StoragesContracts;
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.StoragesContracts;
+using HotelContracts.ViewModels;
+using HotelDatabaseImplement.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,5 +13,69 @@ namespace HotelDatabaseImplement.Implements
 {
     public class WorkerStorage : IWorkerStorage
     {
+        public WorkerViewModel? Delete(WorkerBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var element = context.Workers.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                context.Workers.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public WorkerViewModel? GetElement(WorkerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FIO) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            return context.Workers.FirstOrDefault(x => (!string.IsNullOrEmpty(model.FIO)) && x.FIO == model.FIO || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<WorkerViewModel> GetFilteredList(WorkerSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                return new();
+            }
+            using var context = new HotelDatabase();
+            return context.Workers.Where(x => x.FIO.Contains(model.FIO)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<WorkerViewModel> GetFullList()
+        {
+            using var context = new HotelDatabase();
+            return context.Workers.Select(x => x.GetViewModel).ToList();
+        }
+
+        public WorkerViewModel? Insert(WorkerBindingModel model)
+        {
+            var newWorker = Worker.Create(model);
+            if (newWorker == null)
+            {
+                return null;
+            }
+            using var context = new HotelDatabase();
+            context.Workers.Add(newWorker);
+            context.SaveChanges();
+            return newWorker.GetViewModel;
+        }
+
+        public WorkerViewModel? Update(WorkerBindingModel model)
+        {
+            using var context = new HotelDatabase();
+            var component = context.Workers.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
     }
 }
diff --git a/Hotel/HotelDatabaseImplement/Models/Client.cs b/Hotel/HotelDatabaseImplement/Models/Client.cs
index 5929f7f..42aba05 100644
--- a/Hotel/HotelDatabaseImplement/Models/Client.cs
+++ b/Hotel/HotelDatabaseImplement/Models/Client.cs
@@ -24,7 +24,7 @@ namespace HotelDatabaseImplement.Models
         public string Password { get; set; } = string.Empty;
 
         public int Id { get; set; }
-        public static Client Create(HotelDatabase context, ClientBindingModel model)
+        public static Client Create(ClientBindingModel model)
         {
             return new Client()
             {