The steps to upgrade are the following:
- You need to upgrade to the latest client's versions (.NET SDK, PowerShell, CLI, python SDK, etc) before Oct 2025
- If you are directly using API calls, you need to check your codebase or script about the SQL API usage before Oct 2025. All you have to do is update the API version of your code. Azure SQL Database REST API 2014-04-01 Retirement Notice | Microsoft Learn.
Hope this helps.