added fixes

Author: KirillKurdyukov

examples/EntityFrameworkCore.Ydb.Samples/Database.Operations.Tutorial/HRContext.cs

@@ -2,7 +2,6 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Diagnostics;
 using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Logging;
 
 namespace Section_3.ProjectEF;
 
@@ -31,7 +30,6 @@ protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         var connectionString = configuration.GetConnectionString("Local");
 
         optionsBuilder.UseYdb(connectionString)
-                      .LogTo(Console.WriteLine, new[] { DbLoggerCategory.Database.Command.Name }, LogLevel.Information)
                       .ConfigureWarnings(warnings => warnings.Ignore(RelationalEventId.PendingModelChangesWarning))
                       .EnableSensitiveDataLogging();
     }

examples/EntityFrameworkCore.Ydb.Samples/Database.Operations.Tutorial/README.md

@@ -6,11 +6,24 @@ Based on the [tutorial](https://www.csharptutorial.net/entity-framework-core-tut
 
 ## Running
 
-Run all operations sequentially with:
-
-```bash
-dotnet run
-```
+1. Set up [YDB local](https://ydb.tech/docs/en/reference/docker/start).
+
+2. Install the EF Core CLI tool and dependencies (if needed):
+    ```bash
+    dotnet tool install --global dotnet-ef
+    dotnet add package Microsoft.EntityFrameworkCore.Design
+    ```
+
+3. Create the database and apply migrations:
+    ```bash
+    dotnet ef migrations add InitialCreate
+    dotnet ef database update
+    ```
+
+4. Run all operations sequentially with:
+    ```bash
+    dotnet run
+    ```
 
 ## Available Operations