Saving/reading guid as string

Program.cs

using System;
using Microsoft.Data.Sqlite;
using static System.Console;

namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            using (var conn = new SqliteConnection("Data Source=:memory:"))
            {
                conn.Open();
                var cmd = conn.CreateCommand();
                cmd.CommandText = @"CREATE TABLE tbl ( col TEXT );";
                cmd.ExecuteNonQuery();

                var guid = Guid.NewGuid();
                var save = conn.CreateCommand();
                save.CommandText = "INSERT INTO tbl VALUES (@p1)";
                save.Parameters.AddWithValue("@p1", guid.ToString());
                save.ExecuteNonQuery();

                WriteLine($"Saved new guid {guid}");

                var query = conn.CreateCommand();
                query.CommandText = "SELECT * FROM tbl";
                using (var reader = query.ExecuteReader())
                {
                    while (reader.Read())
                    {
                        WriteLine($"Sqlite type: {reader.GetDataTypeName(0)}");
                        WriteLine($"CLR Type: {reader.GetFieldType(0).FullName}");
                        WriteLine($"Value: '{reader.GetValue(0)}'");
                        var g = new Guid(reader.GetFieldValue<string>(0));
                        WriteLine($"var g is: {g}, Type: {g.GetType().FullName}");
                    }
                }
            }
        }
    }
}