Search:

Select top 1 price from (select top 2 price from products order by price desc);

ASP.NET UNLEASHED 2.0 is a best one

U can use

Wait for delay'00:00:02'
selct * from table

(or)

Wait for Time'10:00'
selct * from table

U can go this way
int a = Textbox1.Text.Length;
string b = "";
for(int i=a;i>0;i--)
{
b = b+""+Textbox1.Text.Substring(i-1, 1).ToString();
}...

select uname, max(grade) from aa group by uname