Hi Madhumita,
Actually .backup file import in MySql will throw error sometimes because formate is different. You can try this First import this in Postgresql --Right click databse -click restore to import. It will successfully import in to Postgresql. After that you can easily migrate that data in to Mysql by using Mendix app--Setting- configuration--
you can refer this document--https://docs.mendix.com/howto/data-models/migrating-your-mendix-database/
To restore a Mendix cloud DB backup dump into a MySQL database, follow these steps:
Download the Backup: Obtain the backup dump file from your Mendix cloud environment.
Prepare MySQL: Ensure your MySQL server is running and that you have the necessary permissions to create a database.
Create a New Database: Use the MySQL command line or a tool like phpMyAdmin to create a new database for the restoration.
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CREATE DATABASE your_database_name;
Import the Dump: Use the MySQL command line to import the dump file into your newly created database.
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mysql -u your_username -p your_database_name < path_to_your_dump_file.sql
Verify the Restoration: Check the database to ensure all tables and data have been restored correctly.
For detailed guidance and resources, visit Examhome to help you through the process.