Backups and Compression:

-- Normal Backup performed on the Database

BACKUP DATABASE [AdventureWorks2016] TO DISK 

= 'C:\Backup\DbName_uncompressed.bak' WITH STATS = 10, NO_COMPRESSION, FORMAT;

GO

-- Normal Backup (with Compression enabled) performed on the Database

BACKUP DATABASE [AdventureWorks2016] TO DISK 

= 'C:\Backup\DbName_compressed.bak' WITH STATS = 10, COMPRESSION, FORMAT;

GO