My database has been deleted suddenly on the server how to recover it?
Before restoring from the latest full database backup, you can try Paul Randal's advise - set the database to the EMERGENCY mode and use a login that is a member of the sysadmin SQL Server role to access it. Keep in mind that you will be able only to read the data, as the database will be in the read-only mode.

Search Engine Q&amp;A #4: Using EMERGENCY mode to access a RECOVERY PENDING or SUSPECT database