Add examples with selecting specific columns and using a DTO.

EntityFrameworkCore.Console/Program.cs

@@ -123,4 +123,32 @@ async Task PrintTeamById(int id)
   {
     Console.WriteLine(teamBasedOnId.Name);
   }
+}
+
+async Task SelectQuery()
+{
+  var items = await context.Teams
+    .Select(t => new { t.Name, t.CreatedDate })
+    .ToListAsync();
+  foreach (var item in items)
+  {
+    Console.WriteLine($"{item.Name} - {item.CreatedDate}");
+  }
+}
+
+async Task SelectQueryDTO()
+{
+  var items = await context.Teams
+    .Select(t => new TeamInfoDTO { Name = t.Name, Created = t.CreatedDate })
+    .ToListAsync();
+  foreach (var item in items)
+  {
+    Console.WriteLine($"{item.Name} - {item.Created}");
+  }
+}
+
+class TeamInfoDTO
+{
+  public DateTime Created { get; set; }
+  public string Name { get; set; }
 }