How SQL Server 2005 stores nvarchar(n)?

If we take nvarchar(3000) for a column, server does not allocate 3000 character at the initial.
It means if we write 200 characters into that column it will allocate 200 only not 3000.

Windows run line commands?

logoff - logoff
mstsc - remote desktop connection
inetmgr - IIS service
regedit - registry editing tool

How to disable drildown at Crystal Reports?

If we make the EnableDrillDown property false, crystal report will not go into the detail of sub reports.