@vignesh sivashanmugam Welcome to Microsoft Q&A Forums and thank you for your interest in Azure services.
Azure SQL Database is an ideal service in Azure to migrate DB2 data.
Please check the below migration guide for a step by step walkthrough of the process.
Migration Guide - Migrate DB2 to Azure SQL Database
A few more resources and best practices.
Mainframe Migration to Azure - Portal
Azure is the new mainframe
Please let us know if you have further questions or if you face any issues during the migration.
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