alias name should be same or not for updating app in android market?
<p>i had launched one app in android market and now i going to release next version.
i came to know that for updating the app i want to use same keystore and same password.
now i getting doubt about my alias name . 
which one is better for updating my application in android market , whether i have to use same alias name or different alias name.
If i used different alias name application will get update or not.
2) is it possible change the password for my private keystore.
can any one explain about the steps to change the password</p>
