Lock of Object if i create users with a script file

From: Andreas Berneaud (aberneaud_at_web.de)
Date: 07/27/03 

Date: Sun, 27 Jul 2003 12:57:07 +0200

Hi.

My work is to create/add database users on an existing(working) sql server.
Now i want to know if some database objects (table, views etc) are locked in
the time in that i create roles, users and logins with a script file.

If i chang the owner of a view, is this view executable between that time or
should i stop the program which use the view ?

Thanks for your help.

Ciao
Andreas