Add example functions for ordered and grouped queries.

EntityFrameworkCore.Console/Program.cs

@@ -14,6 +14,33 @@ var teamFour = await context.Teams.SingleOrDefaultAsync(t => t.TeamId == 3);
 // Rather than raise: "System.InvalidOperationException: Sequence contains no elements."
 var coach = await context.Coaches.FirstOrDefaultAsync();
 
+async Task OrderedTeams()
+{
+  var orderedTeam = await context.Teams
+    .OrderByDescending(t => t.Name)
+    .ToListAsync();
+  foreach (var team in orderedTeam)
+  {
+    Console.WriteLine(team.Name);
+  }
+}
+
+async Task GroupedTeams()
+{
+  var groupedTeams = context.Teams
+  .GroupBy(t => t.CreatedDate.Date);
+
+  foreach (var groupedTeam in groupedTeams)
+  {
+    Console.WriteLine(groupedTeam.Key);
+    Console.WriteLine(groupedTeam.Sum(t => t.TeamId));
+    foreach (var team in groupedTeam)
+    {
+      Console.WriteLine(team.Name);
+    }
+  }
+}
+
 async Task CountFunctionsTeams(int id)
 {
   var numberOfTeams = await context.Teams.CountAsync(t => t.TeamId > id);