Factors to consider when we migrate the sql server to 2019.
when migrating from SQL Server 2016 to SQL Server 2019, we need to consider below factors. Factors to Consider Explanation Application Compatibility Check with application vendor/developer for compatibility. Review and update application code/queries. New Features Evaluate new features and enhancements in SQL Server 2019. Determine if changes to application/database design are necessary to take advantage of them. Performance Evaluate current performance on SQL Server 2016. Determine if tuning/optimization is necessary. Backup and Restore Compatibility Verify that backups taken on SQL Server 2016 are compatible with SQL Server 2019. Plan for restoring backups to new instance. Database Size Plan for migration of large databases. Ensure that process does not impact database availability. Maintenance Plans Review and update maintenance plans as necessary to ensure compatibility with SQL Server 2019. Compatibility Level of Dependent Databases Ensure compatibility level of dependent database