Hi @Prince Kumar Rastogi , welcome to Microsoft Q&A forum.
There could be few ways as listed below for migration from one Azure SQL db to another.
- Azure Data Sync: Using this service you can sync the data between multiple Azure SQL Database.
SQL Data Sync - Bacpac file: You can export bacpac from one Azure SQL DB and import it to another.
Export Bacpac
Import Bacpac - Using Azure Data Factory: You can use ADF to copy to and from Azure SQL Database to another.
Copy and transform data in Azure SQL Database
Please let me know if this helps or we can discuss further.
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