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forums › forums › SQLyog › Sync tools, Migration, Scheduled Backup and Notifications › Data Sync – No Primary Key
You don't need a PK to use Scheduled Backup with SQLyog.
The Backup Feature and the Sync Feature are different things.
From http://www.webyog.com you will actually find links to extensive explanations (“White Paper”s) on both.
did I misunderstand you ?