If Exists (Select * From MyTable Where datecolumn >= dateadd(minute, -30, getdate())) Begin; -- code to send mail here End;
Declare @seed int;Set @seed = (Select seed From LastSeedTable);If Exists (Select * From MyTable Where identityColumn > @seed) Begin; Update LastSeedTable Set seed = (Select max(identityColumn) From MyTable); -- code to send email End;