diff --git a/Demo/Data/LocalData/Entity/Group.cs b/Demo/Data/LocalData/Entity/Group.cs
index 6041311..d039987 100644
--- a/Demo/Data/LocalData/Entity/Group.cs
+++ b/Demo/Data/LocalData/Entity/Group.cs
@@ -11,5 +11,7 @@ namespace Demo.domain.Models
         public required int Id { get; set; }
         public required string Name { get; set; }
 
+
+
     }
 }
diff --git a/Demo/Data/RemoteData/RemoteDataBase/DAO/Group.cs b/Demo/Data/RemoteData/RemoteDataBase/DAO/Group.cs
new file mode 100644
index 0000000..45c2dd4
--- /dev/null
+++ b/Demo/Data/RemoteData/RemoteDataBase/DAO/Group.cs
@@ -0,0 +1,16 @@
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.RemoteData.RemoteDataBase.DAO
+{
+    public class GroupDao
+    {
+        public int Id { get; set; }
+        public required string Name { get; set; }
+        public List<UserDao> Users { get; set; }
+    }
+}
diff --git a/Demo/Data/RemoteData/RemoteDataBase/DAO/Presence.cs b/Demo/Data/RemoteData/RemoteDataBase/DAO/Presence.cs
new file mode 100644
index 0000000..9df8139
--- /dev/null
+++ b/Demo/Data/RemoteData/RemoteDataBase/DAO/Presence.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.RemoteData.RemoteDataBase.DAO
+{
+    public class PresenceDao
+    {
+        public int UserId { get; set; }
+        public bool IsAttedance { get; set; } = true;
+        public DateOnly Date {  get; set; }
+        public int LessonNumber { get; set; }
+        public UserDao UserDao { get; set; }
+        public int GroupId {  get; set; }
+    }
+}
diff --git a/Demo/Data/RemoteData/RemoteDataBase/DAO/User.cs b/Demo/Data/RemoteData/RemoteDataBase/DAO/User.cs
new file mode 100644
index 0000000..3f1d898
--- /dev/null
+++ b/Demo/Data/RemoteData/RemoteDataBase/DAO/User.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.RemoteData.RemoteDataBase.DAO
+{
+    public class UserDao
+    {
+        public required string FIO {  get; set; }
+        public int UserId { get; set; }
+        public required int GroupId {  get; set; }
+        public GroupDao Group {  get; set; }
+    }
+}
diff --git a/Demo/Data/RemoteData/RemoteDataBase/RemoteDatabase.cs b/Demo/Data/RemoteData/RemoteDataBase/RemoteDatabase.cs
new file mode 100644
index 0000000..546b626
--- /dev/null
+++ b/Demo/Data/RemoteData/RemoteDataBase/RemoteDatabase.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.RemoteData.RemoteDataBase
+{
+    internal class RemoteDatabase
+    {
+    }
+}
diff --git a/Demo/Data/RemoteData/RemoteDataBase/RemoteDatabaseContext.cs b/Demo/Data/RemoteData/RemoteDataBase/RemoteDatabaseContext.cs
new file mode 100644
index 0000000..1472157
--- /dev/null
+++ b/Demo/Data/RemoteData/RemoteDataBase/RemoteDatabaseContext.cs
@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace Demo.Data.RemoteData.RemoteDataBase
+{
+    public class RemoteDatabaseContext: DbContext
+    {
+        public DbSet<GroupDao> Groups { get; set; }
+        public DbSet<UserDao> Users { get; set; }
+        public DbSet<PresenceDao> PresenceDaos { get; set; }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseNpgsql();
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<GroupDao>().HasKey(group=>group.Id);
+            modelBuilder.Entity<GroupDao>().Property(group => group.Id).ValueGeneratedOnAdd();
+            modelBuilder.Entity<UserDao>().HasKey(user=>user.UserId);
+            modelBuilder.Entity<UserDao>().Property(user=>user.UserId).ValueGeneratedOnAdd();
+            modelBuilder.Entity<PresenceDao>().HasKey(presence => new
+            {
+                presence.UserId,
+                presence.Date,
+                presence.IsAttedance,
+                presence.LessonNumber
+            });
+                
+        }
+    }
+}
diff --git a/Demo/Data/Repository/GroupRepositoryImpl.cs b/Demo/Data/Repository/GroupRepositoryImpl.cs
index 7557ff8..67f588b 100644
--- a/Demo/Data/Repository/GroupRepositoryImpl.cs
+++ b/Demo/Data/Repository/GroupRepositoryImpl.cs
@@ -1,10 +1,12 @@
 using Demo.Data.Exceptions;
 using Demo.Data.LocalData;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using Demo.Data.Repository;
 using Demo.domain.Models;
 using System.Collections.Generic;
 using System.Linq;
 
-public class GroupRepositoryImpl
+public class GroupRepositoryImpl: IGroupRepository
 {
     private List<GroupLocalEntity> _groups = LocalStaticData.groups;
 
@@ -50,4 +52,59 @@ public class GroupRepositoryImpl
             _groups.Remove(existingGroup);
         }
     }
+
+    public List<GroupLocalEntity> GetAllGroup()
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool RemoveGroupById(int groupID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool UpdateGroupById(int groupID, GroupLocalEntity updatedGroup)
+    {
+        throw new NotImplementedException();
+    }
+
+    bool IGroupRepository.AddGroup(GroupLocalEntity newGroup)
+    {
+        throw new NotImplementedException();
+    }
+
+    public List<GroupDao> GetAllGroupDao()
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool RemoveGroupByIdDao(int groupID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool UpdateGroupById(int groupID, GroupDao updatedGroup)
+    {
+        throw new NotImplementedException();
+    }
+
+    public GroupDao GetGroupByIdDao(int groupID)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool AddGroup(GroupDao newGroup)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool UpdateGroupByIdDao(int groupID, GroupDao updatedGroup)
+    {
+        throw new NotImplementedException();
+    }
+
+    public bool AddGroupDao(GroupDao newGroup)
+    {
+        throw new NotImplementedException();
+    }
 }
diff --git a/Demo/Data/Repository/IGroupRepository.cs b/Demo/Data/Repository/IGroupRepository.cs
index 4abaa92..20ab0e9 100644
--- a/Demo/Data/Repository/IGroupRepository.cs
+++ b/Demo/Data/Repository/IGroupRepository.cs
@@ -1,4 +1,5 @@
-using Demo.domain.Models;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using Demo.domain.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -14,5 +15,13 @@ namespace Demo.Data.Repository
         bool UpdateGroupById(int groupID, GroupLocalEntity updatedGroup);
         GroupLocalEntity GetGroupById(int groupID);
         bool AddGroup(GroupLocalEntity newGroup);
+
+
+
+        List<GroupDao> GetAllGroupDao();
+        bool RemoveGroupByIdDao(int groupID);
+        bool UpdateGroupByIdDao(int groupID, GroupDao updatedGroup);
+        GroupDao GetGroupByIdDao(int groupID);
+        bool AddGroupDao(GroupDao newGroup);
     }
 }
\ No newline at end of file
diff --git a/Demo/Data/Repository/IPresenceRepository.cs b/Demo/Data/Repository/IPresenceRepository.cs
index 6ef7543..f3e1827 100644
--- a/Demo/Data/Repository/IPresenceRepository.cs
+++ b/Demo/Data/Repository/IPresenceRepository.cs
@@ -1,4 +1,5 @@
 
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
 using Demo.domain.Models;
 using Demo.Domain.UseCase;
 using System;
@@ -15,5 +16,12 @@ namespace Demo.Data.Repository
         List<PresenceLocalEntity> GetPresenceByDateAndGroup(DateTime date, int groupId);
         void SavePresence(List<PresenceLocalEntity> presences);
         List<PresenceLocalEntity> GetPresenceByGroup(int groupId);
+
+
+
+
+        List<PresenceDao> GetPresenceByDateAndGroupDao(DateTime date, int groupId);
+        void SavePresenceDao(List<PresenceDao> presences);
+        List<PresenceDao> GetPresenceByGroupDao(int groupId);
     }
 }
diff --git a/Demo/Data/Repository/IUserRepository.cs b/Demo/Data/Repository/IUserRepository.cs
new file mode 100644
index 0000000..458cbb8
--- /dev/null
+++ b/Demo/Data/Repository/IUserRepository.cs
@@ -0,0 +1,20 @@
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using Demo.domain.Models;
+using System.Collections.Generic;
+
+namespace Demo.Data.Repository
+{
+    public interface IUserRepository
+    {
+        IEnumerable<UserLocalEnity> GetAllUsers { get; }
+        bool RemoveUserById(int userId);
+        UserLocalEnity? UpdateUser(UserLocalEnity user);
+
+
+        IEnumerable<UserDao> GetAllUsersDao { get; }
+        bool RemoveUserByIdDao(int userId);
+        UserDao? UpdateUserDao(UserDao user);
+
+
+    }
+}
diff --git a/Demo/Data/Repository/PresenceRepositoryImpl.cs b/Demo/Data/Repository/PresenceRepositoryImpl.cs
index 59420c7..30f4a89 100644
--- a/Demo/Data/Repository/PresenceRepositoryImpl.cs
+++ b/Demo/Data/Repository/PresenceRepositoryImpl.cs
@@ -1,4 +1,6 @@
 using Demo.Data.LocalData;
+using Demo.Data.RemoteData.RemoteDataBase;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
 using Demo.domain.Models;
 using System;
 using System.Collections.Generic;
@@ -41,21 +43,24 @@ namespace Demo.Data.Repository
                                          LocalStaticData.users.Any(u => u.GroupID == groupId && u.ID == p.UserId)).ToList();
         }
 
-        // Реализация метода для получения всех данных по группе
-        public List<PresenceLocalEntity> GetAllPresenceByGroup(int groupId)
-        {
-            return _presences
-                .Where(p => LocalStaticData.users.Any(u => u.GroupID == groupId && u.ID == p.UserId))
-                .OrderBy(p => p.Date)
-                .ThenBy(p => p.LessonNumber)
-                .ToList();
-        }
-
-
         public List<PresenceLocalEntity> GetPresenceByGroup(int groupId)
         {
             return _presences.Where(p => p.GroupId == groupId).ToList();
         }
 
+        public List<PresenceDao> GetPresenceByDateAndGroupDao(DateTime date, int groupId)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void SavePresenceDao(List<PresenceDao> presences)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<PresenceDao> GetPresenceByGroupDao(int groupId)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/Demo/Data/Repository/SQLGroupRepositoryImpl.cs b/Demo/Data/Repository/SQLGroupRepositoryImpl.cs
new file mode 100644
index 0000000..5428d8a
--- /dev/null
+++ b/Demo/Data/Repository/SQLGroupRepositoryImpl.cs
@@ -0,0 +1,129 @@
+using Demo.Data.RemoteData.RemoteDataBase;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using Demo.domain.Models;
+using Microsoft.EntityFrameworkCore;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Demo.Data.Repository
+{
+    public class SQLGroupRepositoryImpl : IGroupRepository
+    {
+        private readonly RemoteDatabaseContext _remoteDatabaseContext;
+
+        public SQLGroupRepositoryImpl(RemoteDatabaseContext remoteDatabaseContext)
+        {
+            _remoteDatabaseContext = remoteDatabaseContext;
+        }
+
+        // Метод для добавления новой группы
+        public bool AddGroupDao(GroupDao newGroup)
+        {
+            var groupDao = new GroupDao
+            {
+                Name = newGroup.Name
+            };
+            _remoteDatabaseContext.Groups.Add(groupDao);
+            _remoteDatabaseContext.SaveChanges();
+            return true;
+        }
+
+        // Метод для получения группы по ID
+        public GroupDao GetGroupByIdDao(int groupId)
+        {
+            var groupDao = _remoteDatabaseContext.Groups
+                .Include(g => g.Users)
+                .FirstOrDefault(g => g.Id == groupId);
+            if (groupDao == null) return null;
+
+            return new GroupDao
+            {
+                Id = groupDao.Id,
+                Name = groupDao.Name,
+                Users = groupDao.Users.Select(u => new UserDao
+                {
+                    UserId = u.UserId,
+                    FIO = u.FIO,
+                    GroupId = u.GroupId
+                }).ToList()
+            };
+        }
+
+        // Метод для получения всех групп
+        public List<GroupDao> GetAllGroupDao()
+        {
+            return _remoteDatabaseContext.Groups
+                .Include(g => g.Users)
+                .Select(g => new GroupDao
+                {
+                    Id = g.Id,
+                    Name = g.Name,
+                    Users = g.Users.Select(u => new UserDao
+                    {
+                        UserId = u.UserId,
+                        FIO = u.FIO,
+                        GroupId = u.GroupId
+                    }).ToList()
+                })
+                .ToList();
+        }
+
+        // Метод для обновления группы по ID
+        public bool UpdateGroupByIdDao(int groupId, GroupDao updatedGroup)
+        {
+            var groupDao = _remoteDatabaseContext.Groups
+                .Include(g => g.Users)
+                .FirstOrDefault(g => g.Id == groupId);
+            if (groupDao == null) return false;
+
+            groupDao.Name = updatedGroup.Name;
+            // Пример обновления списка пользователей
+            groupDao.Users = updatedGroup.Users.Select(user => new UserDao
+            {
+                UserId = user.UserId,
+                FIO = user.FIO,
+                GroupId = user.GroupId
+            }).ToList();
+
+            _remoteDatabaseContext.SaveChanges();
+            return true;
+        }
+
+        // Метод для удаления группы по ID
+        public bool RemoveGroupByIdDao(int groupId)
+        {
+            var groupDao = _remoteDatabaseContext.Groups.Find(groupId);
+            if (groupDao == null) return false;
+
+            _remoteDatabaseContext.Groups.Remove(groupDao);
+            _remoteDatabaseContext.SaveChanges();
+            return true;
+        }
+
+        public List<GroupLocalEntity> GetAllGroup()
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool RemoveGroupById(int groupID)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool UpdateGroupById(int groupID, GroupLocalEntity updatedGroup)
+        {
+            throw new NotImplementedException();
+        }
+
+        public GroupLocalEntity GetGroupById(int groupID)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool AddGroup(GroupLocalEntity newGroup)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/Demo/Data/Repository/SQLPresenceRepository.cs b/Demo/Data/Repository/SQLPresenceRepository.cs
new file mode 100644
index 0000000..8c7559f
--- /dev/null
+++ b/Demo/Data/Repository/SQLPresenceRepository.cs
@@ -0,0 +1,69 @@
+using Demo.Data.LocalData;
+using Demo.Data.RemoteData.RemoteDataBase;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using Demo.domain.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Demo.Data.Repository
+{
+    public class SQLPresenceRepositoryImpl : IPresenceRepository
+    {
+        private readonly RemoteDatabaseContext _remoteDatabaseContext;
+
+        public SQLPresenceRepositoryImpl(RemoteDatabaseContext remoteDatabaseContext)
+        {
+            _remoteDatabaseContext = remoteDatabaseContext;
+        }
+
+        public List<PresenceLocalEntity> GetPresenceByDateAndGroup(DateTime date, int groupId)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<PresenceDao> GetPresenceByDateAndGroupDao(DateTime date, int groupId)
+        {
+            return _remoteDatabaseContext.PresenceDaos.Where(p => p.Date == DateOnly.FromDateTime(date) &&
+                                         LocalStaticData.users.Any(u => u.GroupID == groupId && u.ID == p.UserId)).ToList();
+        }
+
+        public List<PresenceLocalEntity> GetPresenceByGroup(int groupId)
+        {
+            throw new NotImplementedException();
+        }
+
+        // Реализация метода для получения всех данных по группе
+        public List<PresenceDao> GetPresenceByGroupDao(int groupId)
+        {
+            return _remoteDatabaseContext.PresenceDaos.Where(p => p.GroupId == groupId).ToList();
+        }
+
+        public void SavePresence(List<PresenceLocalEntity> presences)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void SavePresenceDao(List<PresenceDao> presences)
+        {
+            foreach (var presence in presences)
+            {
+                var existingPresence = _remoteDatabaseContext.PresenceDaos.FirstOrDefault(p =>
+                    p.Date == presence.Date &&
+                    p.UserId == presence.UserId &&
+                    p.LessonNumber == presence.LessonNumber);
+
+                if (existingPresence == null)
+                {
+                    _remoteDatabaseContext.PresenceDaos.Add(presence);
+                }
+                else
+                {
+                    existingPresence.IsAttedance = presence.IsAttedance;
+                }
+            }
+        }
+    }
+}
diff --git a/Demo/Data/Repository/SQLUserRepositoryImpl.cs b/Demo/Data/Repository/SQLUserRepositoryImpl.cs
new file mode 100644
index 0000000..a21711e
--- /dev/null
+++ b/Demo/Data/Repository/SQLUserRepositoryImpl.cs
@@ -0,0 +1,60 @@
+using Demo.Data.Exceptions;
+using Demo.Data.RemoteData.RemoteDataBase;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
+using Demo.domain.Models;
+using Microsoft.EntityFrameworkCore;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Demo.Data.Repository
+{
+    public class SQLUserRepositoryImpl : IUserRepository
+    {
+        private readonly RemoteDatabaseContext _remoteDatabaseContext;
+
+        public SQLUserRepositoryImpl(RemoteDatabaseContext remoteDatabaseContext)
+        {
+            _remoteDatabaseContext = remoteDatabaseContext;
+        }
+
+        public IEnumerable<UserDao> GetAllUsersDao => _remoteDatabaseContext.Users;
+
+        public bool RemoveUserByIdDao(int userId)
+        {
+            var user = _remoteDatabaseContext.Users.FirstOrDefault(u => u.UserId == userId);
+            if (user == null) throw new UserNotFoundException(userId);
+
+            _remoteDatabaseContext.Users.Remove(user);
+            return true;
+        }
+
+        public UserDao? UpdateUserDao(UserDao user)
+        {
+            var existingUser = _remoteDatabaseContext.Users.FirstOrDefault(u => u.UserId == user.UserId);
+            if (existingUser == null) throw new UserNotFoundException(user.UserId);
+
+            existingUser.FIO = user.FIO;
+            existingUser.GroupId = user.GroupId;
+
+            return existingUser;
+        }
+
+
+
+
+
+
+        public IEnumerable<UserLocalEnity> GetAllUsers => throw new NotImplementedException();
+
+        public bool RemoveUserById(int userId)
+        {
+            throw new NotImplementedException();
+        }
+
+        public UserLocalEnity? UpdateUser(UserLocalEnity user)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/Demo/Data/Repository/UserRepositoryImpl.cs b/Demo/Data/Repository/UserRepositoryImpl.cs
index 86dcb88..39dd343 100644
--- a/Demo/Data/Repository/UserRepositoryImpl.cs
+++ b/Demo/Data/Repository/UserRepositoryImpl.cs
@@ -1,5 +1,6 @@
 using Demo.Data.Exceptions;
 using Demo.Data.LocalData;
+using Demo.Data.RemoteData.RemoteDataBase.DAO;
 using Demo.domain.Models;
 using System;
 using System.Collections.Generic;
@@ -7,7 +8,7 @@ using System.Linq;
 
 namespace Demo.Data.Repository
 {
-    public class UserRepositoryImpl
+    public class UserRepositoryImpl: IUserRepository
     {
         private List<UserLocalEnity> _users;
 
@@ -18,6 +19,8 @@ namespace Demo.Data.Repository
 
         public IEnumerable<UserLocalEnity> GetAllUsers => _users;
 
+        public IEnumerable<UserDao> GetAllUsersDao => throw new NotImplementedException();
+
         public bool RemoveUserById(int userId)
         {
             var user = _users.FirstOrDefault(u => u.ID == userId);
@@ -27,6 +30,11 @@ namespace Demo.Data.Repository
             return true;
         }
 
+        public bool RemoveUserByIdDao(int userId)
+        {
+            throw new NotImplementedException();
+        }
+
         public UserLocalEnity? UpdateUser(UserLocalEnity user)
         {
             var existingUser = _users.FirstOrDefault(u => u.Guid == user.Guid);
@@ -37,5 +45,10 @@ namespace Demo.Data.Repository
 
             return existingUser;
         }
+
+        public UserDao? UpdateUserDao(UserDao user)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/Demo/Demo.csproj b/Demo/Demo.csproj
index 899a44e..ed80240 100644
--- a/Demo/Demo.csproj
+++ b/Demo/Demo.csproj
@@ -7,10 +7,6 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="Data\RemoteData\" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.10" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.10">
@@ -21,4 +17,8 @@
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.10" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Data\RemoteData\RemoteApi\" />
+  </ItemGroup>
+
 </Project>
diff --git a/Demo/Program.cs b/Demo/Program.cs
index 7a132ef..69f5544 100644
--- a/Demo/Program.cs
+++ b/Demo/Program.cs
@@ -1,11 +1,22 @@
-using Demo.Data.Repository;
+using Demo.Data.RemoteData.RemoteDataBase;
+using Demo.Data.Repository;
 using Demo.Domain.UseCase;
 using Demo.UI;
+using Microsoft.Extensions.DependencyInjection;
 
 // Создаем экземпляр репозиториев
 GroupRepositoryImpl groupRepositoryImpl = new GroupRepositoryImpl();
 UserRepositoryImpl userRepositoryImpl = new UserRepositoryImpl();
-PresenceRepositoryImpl presenceRepositoryImpl = new PresenceRepositoryImpl(); // Создаем экземпляр PresenceRepositoryImpl
+PresenceRepositoryImpl presenceRepositoryImpl = new PresenceRepositoryImpl();
+IServiceCollection services = new ServiceCollection();
+
+services.AddDbContext<RemoteDatabaseContext>().
+    AddSingleton<IGroupRepository, SQLGroupRepositoryImpl>();
+services.AddDbContext<RemoteDatabaseContext>().
+    AddSingleton<IUserRepository, SQLUserRepositoryImpl>();
+services.AddDbContext<RemoteDatabaseContext>().
+    AddSingleton<IPresenceRepository, SQLPresenceRepositoryImpl>();
+
 
 // Создаем UseCase для пользователей и групп
 UserUseCase userUseCase = new UserUseCase(userRepositoryImpl, groupRepositoryImpl);
diff --git a/Demo/bin/Debug/net8.0/Demo.dll b/Demo/bin/Debug/net8.0/Demo.dll
index b67bfe0..465d22c 100644
Binary files a/Demo/bin/Debug/net8.0/Demo.dll and b/Demo/bin/Debug/net8.0/Demo.dll differ
diff --git a/Demo/bin/Debug/net8.0/Demo.exe b/Demo/bin/Debug/net8.0/Demo.exe
index 6a41bf6..0c5e1ae 100644
Binary files a/Demo/bin/Debug/net8.0/Demo.exe and b/Demo/bin/Debug/net8.0/Demo.exe differ
diff --git a/Demo/bin/Debug/net8.0/Demo.pdb b/Demo/bin/Debug/net8.0/Demo.pdb
index bc06575..93cdd05 100644
Binary files a/Demo/bin/Debug/net8.0/Demo.pdb and b/Demo/bin/Debug/net8.0/Demo.pdb differ
diff --git a/Demo/obj/Debug/net8.0/Demo.AssemblyInfo.cs b/Demo/obj/Debug/net8.0/Demo.AssemblyInfo.cs
index d02e90c..15ab09f 100644
--- a/Demo/obj/Debug/net8.0/Demo.AssemblyInfo.cs
+++ b/Demo/obj/Debug/net8.0/Demo.AssemblyInfo.cs
@@ -14,7 +14,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Demo")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+bdcbb230221dd6b16c8afe4eecbf5e82d3dd453f")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+0e15fc7d62cdcd2ecc8853e551035e8a3737aee9")]
 [assembly: System.Reflection.AssemblyProductAttribute("Demo")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Demo")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/Demo/obj/Debug/net8.0/Demo.AssemblyInfoInputs.cache b/Demo/obj/Debug/net8.0/Demo.AssemblyInfoInputs.cache
index 5e63275..c6d4a1c 100644
--- a/Demo/obj/Debug/net8.0/Demo.AssemblyInfoInputs.cache
+++ b/Demo/obj/Debug/net8.0/Demo.AssemblyInfoInputs.cache
@@ -1 +1 @@
-8d3243526905ae765e6daa2b1e2144f748b500ab06dd8d82a753e36b69dd0434
+4ece56c2162fd488c720e2f84da208a216fb7d2f8a4132ee7289842b3b121377
diff --git a/Demo/obj/Debug/net8.0/Demo.GeneratedMSBuildEditorConfig.editorconfig b/Demo/obj/Debug/net8.0/Demo.GeneratedMSBuildEditorConfig.editorconfig
index aa29203..38de3c6 100644
--- a/Demo/obj/Debug/net8.0/Demo.GeneratedMSBuildEditorConfig.editorconfig
+++ b/Demo/obj/Debug/net8.0/Demo.GeneratedMSBuildEditorConfig.editorconfig
@@ -8,6 +8,6 @@ build_property.PlatformNeutralAssembly =
 build_property.EnforceExtendedAnalyzerRules = 
 build_property._SupportedPlatformList = Linux,macOS,Windows
 build_property.RootNamespace = Demo
-build_property.ProjectDir = C:\Users\adm\source\repos\presence1\Demo\
+build_property.ProjectDir = C:\Users\adm\Source\Repos\presence1\Demo\
 build_property.EnableComHosting = 
 build_property.EnableGeneratedComInterfaceComImportInterop = 
diff --git a/Demo/obj/Debug/net8.0/Demo.assets.cache b/Demo/obj/Debug/net8.0/Demo.assets.cache
index ccfa742..6c842fe 100644
Binary files a/Demo/obj/Debug/net8.0/Demo.assets.cache and b/Demo/obj/Debug/net8.0/Demo.assets.cache differ
diff --git a/Demo/obj/Debug/net8.0/Demo.csproj.CoreCompileInputs.cache b/Demo/obj/Debug/net8.0/Demo.csproj.CoreCompileInputs.cache
index e31422f..42846e4 100644
--- a/Demo/obj/Debug/net8.0/Demo.csproj.CoreCompileInputs.cache
+++ b/Demo/obj/Debug/net8.0/Demo.csproj.CoreCompileInputs.cache
@@ -1 +1 @@
-f332ef5a930fab54749fbe5329497cc560cebacd091081c9fb4dc676cfcfd95f
+d802b7b93a990c8713727f8364fc47b1846b2dbf47bb30c6359a4f9f360292fb
diff --git a/Demo/obj/Debug/net8.0/Demo.dll b/Demo/obj/Debug/net8.0/Demo.dll
index b67bfe0..465d22c 100644
Binary files a/Demo/obj/Debug/net8.0/Demo.dll and b/Demo/obj/Debug/net8.0/Demo.dll differ
diff --git a/Demo/obj/Debug/net8.0/Demo.genruntimeconfig.cache b/Demo/obj/Debug/net8.0/Demo.genruntimeconfig.cache
index 564ea07..8c75bc7 100644
--- a/Demo/obj/Debug/net8.0/Demo.genruntimeconfig.cache
+++ b/Demo/obj/Debug/net8.0/Demo.genruntimeconfig.cache
@@ -1 +1 @@
-d5eb5cfbfe9d110c04bac2d0bacec315a054499e2bed6b39e50a2c77268548e7
+bfad4a74ba74f7b6af7182a47faf922142f10d24ecb4676d49fb56abebdc3e22
diff --git a/Demo/obj/Debug/net8.0/Demo.pdb b/Demo/obj/Debug/net8.0/Demo.pdb
index bc06575..93cdd05 100644
Binary files a/Demo/obj/Debug/net8.0/Demo.pdb and b/Demo/obj/Debug/net8.0/Demo.pdb differ
diff --git a/Demo/obj/Debug/net8.0/apphost.exe b/Demo/obj/Debug/net8.0/apphost.exe
index 6a41bf6..0c5e1ae 100644
Binary files a/Demo/obj/Debug/net8.0/apphost.exe and b/Demo/obj/Debug/net8.0/apphost.exe differ
diff --git a/Demo/obj/Debug/net8.0/ref/Demo.dll b/Demo/obj/Debug/net8.0/ref/Demo.dll
index 20d113f..e9a31be 100644
Binary files a/Demo/obj/Debug/net8.0/ref/Demo.dll and b/Demo/obj/Debug/net8.0/ref/Demo.dll differ
diff --git a/Demo/obj/Debug/net8.0/refint/Demo.dll b/Demo/obj/Debug/net8.0/refint/Demo.dll
index 20d113f..e9a31be 100644
Binary files a/Demo/obj/Debug/net8.0/refint/Demo.dll and b/Demo/obj/Debug/net8.0/refint/Demo.dll differ
diff --git a/Demo/obj/Demo.csproj.nuget.dgspec.json b/Demo/obj/Demo.csproj.nuget.dgspec.json
index 5e52fa0..caf8fac 100644
--- a/Demo/obj/Demo.csproj.nuget.dgspec.json
+++ b/Demo/obj/Demo.csproj.nuget.dgspec.json
@@ -1,17 +1,17 @@
 {
   "format": 1,
   "restore": {
-    "C:\\Users\\adm\\source\\repos\\presence1\\Demo\\Demo.csproj": {}
+    "C:\\Users\\adm\\Source\\Repos\\presence1\\Demo\\Demo.csproj": {}
   },
   "projects": {
-    "C:\\Users\\adm\\source\\repos\\presence1\\Demo\\Demo.csproj": {
+    "C:\\Users\\adm\\Source\\Repos\\presence1\\Demo\\Demo.csproj": {
       "version": "1.0.0",
       "restore": {
-        "projectUniqueName": "C:\\Users\\adm\\source\\repos\\presence1\\Demo\\Demo.csproj",
+        "projectUniqueName": "C:\\Users\\adm\\Source\\Repos\\presence1\\Demo\\Demo.csproj",
         "projectName": "Demo",
-        "projectPath": "C:\\Users\\adm\\source\\repos\\presence1\\Demo\\Demo.csproj",
+        "projectPath": "C:\\Users\\adm\\Source\\Repos\\presence1\\Demo\\Demo.csproj",
         "packagesPath": "C:\\Users\\adm\\.nuget\\packages\\",
-        "outputPath": "C:\\Users\\adm\\source\\repos\\presence1\\Demo\\obj\\",
+        "outputPath": "C:\\Users\\adm\\Source\\Repos\\presence1\\Demo\\obj\\",
         "projectStyle": "PackageReference",
         "configFilePaths": [
           "C:\\Users\\adm\\AppData\\Roaming\\NuGet\\NuGet.Config",
diff --git a/Demo/obj/project.nuget.cache b/Demo/obj/project.nuget.cache
index e451d40..62dc760 100644
--- a/Demo/obj/project.nuget.cache
+++ b/Demo/obj/project.nuget.cache
@@ -1,8 +1,8 @@
 {
   "version": 2,
-  "dgSpecHash": "u1UuBtFmr6Y=",
+  "dgSpecHash": "O3GkfNM2ZvQ=",
   "success": true,
-  "projectFilePath": "C:\\Users\\adm\\source\\repos\\presence1\\Demo\\Demo.csproj",
+  "projectFilePath": "C:\\Users\\adm\\Source\\Repos\\presence1\\Demo\\Demo.csproj",
   "expectedPackageFiles": [
     "C:\\Users\\adm\\.nuget\\packages\\humanizer.core\\2.14.1\\humanizer.core.2.14.1.nupkg.sha512",
     "C:\\Users\\adm\\.nuget\\packages\\microsoft.bcl.asyncinterfaces\\6.0.0\\microsoft.bcl.asyncinterfaces.6.0.0.nupkg.sha512",