SQL Server/T-SQL Tutorial/Database/BACKUP
Backup a database with DIFFERENTIAL
<source lang="sql">
BACKUP DATABASE NWCopy TO NWCopyBK_1 WITH DIFFERENTIAL GO</source>
Backup a database with init
<source lang="sql">
BACKUP DATABASE NWCopy TO NWCopyBK_1 WITH INIT GO</source>
BACKUP DATABASE
<source lang="sql">
5> BACKUP DATABASE pubs to disk = 6> "c:\pubs.bak"</source>