When you are working with the databases to restore or backup you may come across the error:
“Cannot Backup/Restore (especially) when database is in use”
So in order to over come the database status,
Right Click on Database -> New Query:
sp_dboption ‘dbname’,’offline’,’true’ (It will make the database to become offline)
sp_dboption ‘dbname’,’offline’,’false’ (It will bring the database back to online)
(or) simply
Alter Database ‘database name’
set offline
Alter Database ‘database name’
set online