Hiding the address bar using javascript

function openWindow(){
window.open‘filename.htm’,‘null’,‘width=200,height=250,toolbar=no,scrollbars=no,location=no,resizable=yes’);
window.moveTo(0,0);
window.resizeTo(screen.width,screen.height);
window.close();}

Normalization

http://www.utexas.edu/its/windows/database/datamodeling/rm/rm7.html

Print the max n sals in MySql;

select sal from emp order by sal desc limit n

nth max salary in MySql

select max(sal) fom emp a where (n-1)=(select count(sal) from emp e where a.sal >= e.sal)