Do you need to sync data between azure SQL databases ? or on-prem SQL to Azure SQL ? with unidirectionally or bidirectionally ?
Here is the tool for it “Azure SQL Data Sync” , which is now in GA and ready to deploy to production.
This has many built in features and functionalities to cater enterprise data sync requirements.
The Data Sync uses a hub and spoke topology to synchronize data and can be configured below sync options
Conflict resolution policy
Check out the Azure SQL Data Sync documentation to get started, and get more details from the following content: