diff --git a/samples/tutorials/AzureSqlGettingStartedSamples/csharp/Unix-based/AzureSqlColumnstoreSample/Program.cs b/samples/tutorials/AzureSqlGettingStartedSamples/csharp/Unix-based/AzureSqlColumnstoreSample/Program.cs
deleted file mode 100644
index fc44147c..00000000
--- a/samples/tutorials/AzureSqlGettingStartedSamples/csharp/Unix-based/AzureSqlColumnstoreSample/Program.cs
+++ /dev/null
@@ -1,136 +0,0 @@
-using Microsoft.Azure.KeyVault;
-using Microsoft.Azure.KeyVault.Models;
-using Microsoft.Azure.Services.AppAuthentication;
-using System;
-using System.Data.SqlClient;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AzureSqlColumnstoreSample
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            System.Threading.Tasks.Task task = Program.DoWork(args);
-            // Becuase this program takes user input, have a long wait.
-            var result = task.Wait(TimeSpan.FromMinutes(30));
-        }
-
-        static async System.Threading.Tasks.Task DoWork(string[] args)
-        {
-
-            Console.WriteLine("*** Azure SQL Columnstore demo ***");
-
-            // Build connection string
-            SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder();
-            builder.DataSource = "your_server.database.windows.net";   //  update me
-            builder.UserID = "your_user";              //  update me
-            builder.Password = await GetPasswordFromKeyVault();
-            builder.InitialCatalog = "your_database";
-
-            // Connect to Azure SQL
-            Console.Write("Connecting to Azure SQL ... ");
-            using (SqlConnection connection = new SqlConnection(builder.ConnectionString))
-            {
-                string sql;
-                try
-                {
-                    connection.Open();
-                    string dropTable = "Drop table if exists Table_with_3M_rows";
-                    using (SqlCommand command = new SqlCommand(dropTable, connection))
-                    {
-                        command.ExecuteNonQuery();
-                        Console.WriteLine("Table cleaned up.");
-                    }
-
-                    // Insert 5 million rows into the table 'Table_with_3M_rows'
-                    Console.Write("Inserting 3 million rows into table 'Table_with_3M_rows'. This takes ~1 minute, please wait ... ");
-                    StringBuilder sb = new StringBuilder();
-                    sb.Append("WITH a AS (SELECT * FROM (VALUES(1),(2),(3),(4),(5),(6),(7),(8),(9),(10)) AS a(a))");
-                    sb.Append("SELECT TOP(3000000)");
-                    sb.Append("ROW_NUMBER() OVER (ORDER BY a.a) AS OrderItemId ");
-                    sb.Append(",a.a + b.a + c.a + d.a + e.a + f.a + g.a + h.a AS OrderId ");
-                    sb.Append(",a.a * 10 AS Price ");
-                    sb.Append(",CONCAT(a.a, N' ', b.a, N' ', c.a, N' ', d.a, N' ', e.a, N' ', f.a, N' ', g.a, N' ', h.a) AS ProductName ");
-                    sb.Append("INTO Table_with_3M_rows ");
-                    sb.Append("FROM a, a AS b, a AS c, a AS d, a AS e, a AS f, a AS g, a AS h;");
-                    sql = sb.ToString();
-                    using (SqlCommand command = new SqlCommand(sql, connection))
-                    {
-                        command.ExecuteNonQuery();
-                        Console.WriteLine("Done.");
-                    }
-
-                    // Execute SQL query without columnstore index
-                    double elapsedTimeWithoutIndex = SumPrice(connection);
-                    Console.WriteLine("Query time WITHOUT columnstore index: " + elapsedTimeWithoutIndex + "ms");
-
-                    // Add a Columnstore Index
-                    Console.Write("Adding a columnstore to table 'Table_with_3M_rows'  ... ");
-                    sql = "CREATE CLUSTERED COLUMNSTORE INDEX columnstoreindex ON Table_with_3M_rows;";
-                    using (SqlCommand command = new SqlCommand(sql, connection))
-                    {
-                        command.ExecuteNonQuery();
-                        Console.WriteLine("Done.");
-                    }
-
-                    // Execute the same SQL query again after columnstore index was added
-                    double elapsedTimeWithIndex = SumPrice(connection);
-                    Console.WriteLine("Query time WITH columnstore index: " + elapsedTimeWithIndex + "ms");
-
-                    // Calculate performance gain from adding columnstore index
-                    Console.WriteLine("Performance improvement with columnstore index: "
-                        + Math.Round(elapsedTimeWithoutIndex / elapsedTimeWithIndex) + "x!");
-                }
-
-                catch (Exception e)
-                {
-                    Console.WriteLine(e.ToString());
-                }
-                finally
-                {
-                    string dropTable = "Drop table if exists Table_with_3M_rows";
-                    using (SqlCommand command = new SqlCommand(dropTable, connection))
-                    {
-                        command.ExecuteNonQuery();
-                        Console.WriteLine("Table cleaned up.");
-                    }
-                }
-            }
-            Console.WriteLine("All done. Press any key to finish...");
-            Console.ReadKey(true);
-        }
-
-        private static async Task<string> GetPasswordFromKeyVault()
-        {
-            Console.WriteLine("Trying to get Password from Key Vault.  Press a key to continue...");
-            Console.ReadKey(true);
-            /* The next four lines of code show you how to use AppAuthentication library to fetch secrets from your key vault */
-            AzureServiceTokenProvider azureServiceTokenProvider = new AzureServiceTokenProvider();
-            KeyVaultClient keyVaultClient = new KeyVaultClient(new KeyVaultClient.AuthenticationCallback(azureServiceTokenProvider.KeyVaultTokenCallback));
-            SecretBundle secret = await keyVaultClient.GetSecretAsync("https://your_keyvault_name.vault.azure.net/secrets/AppSecret"); // update me
-            return secret.Value;
-        }
-
-        public static double SumPrice(SqlConnection connection)
-        {
-            String sql = "SELECT SUM(Price) FROM Table_with_3M_rows";
-            long startTicks = DateTime.Now.Ticks;
-            using (SqlCommand command = new SqlCommand(sql, connection))
-            {
-                try
-                {
-                    var sum = command.ExecuteScalar();
-                    TimeSpan elapsed = TimeSpan.FromTicks(DateTime.Now.Ticks) - TimeSpan.FromTicks(startTicks);
-                    return elapsed.TotalMilliseconds;
-                }
-                catch (Exception e)
-                {
-                    Console.WriteLine(e.ToString());
-                }
-            }
-            return 0;
-        }
-    }
-}
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