diff --git a/Endpoint/Controllers/Configuration/SetupController.cs b/Endpoint/Controllers/Configuration/SetupController.cs
index b629952..1384d9b 100644
--- a/Endpoint/Controllers/Configuration/SetupController.cs
+++ b/Endpoint/Controllers/Configuration/SetupController.cs
@@ -9,6 +9,8 @@ using Mirea.Api.Endpoint.Common.Interfaces;
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Endpoint.Configuration.General;
 using Mirea.Api.Endpoint.Configuration.General.Settings;
+using System;
+using System.Data;
 
 namespace Mirea.Api.Endpoint.Controllers.Configuration;
 
@@ -55,5 +57,32 @@ public class SetupController(ISetupToken setupToken, IMaintenanceModeNotConfigur
         return Ok(true);
     }
 
+    private ActionResult<bool> SetDatabase<TConnection, TException>(string connectionString, DbSettings.DatabaseEnum databaseType)
+        where TConnection : class, IDbConnection, new()
+        where TException : Exception
+    {
+        try
+        {
+            using var connection = new TConnection();
+            connection.ConnectionString = connectionString;
+            connection.Open();
+            connection.Close();
+
+            var general = GeneralConfig;
+            general.DbSettings = new DbSettings
+            {
+                ConnectionStringSql = connectionString,
+                TypeDatabase = databaseType
+            };
+            GeneralConfig = general;
+
+        return Ok(true);
+    }
+        catch (TException ex)
+        {
+            throw new ControllerArgumentException($"Error when connecting: {ex.Message}");
+        }
+    }
+
 
 }
\ No newline at end of file