Create database backup in Plesk:

+ Log in Plesk control panel

+ Select Websites & Domains > Backup Manager > Database Backup Repository

+ Backup > Select a database to backup > Enter backup file name

+ Click OK to create backup

New procedure to create backup:

+ Log in Plesk control panel

+ Select a domain > Databases > Export Dump

+ Plesk will create a zip file of database backup bak format