Hello AllWe're planning to migrate our current data warehouse from MySQL to MS SQL 2014 and re-architect the current design.A major problem we currently have is moving to a DW that supports multi-tenancy, where specific users can access data via SSRS/Tableau, but only specific to their own content, rather than have each client of ours have their own database and increase the cost of ownership of maintenance in the long run - we currently have over 100 DW's for each external client, and a global DW for internal users to support decision making.Another issue we're facing is from our source systems. It's dynamic (drupal/MySQL) in the sense that there is always new data fields or content appearing from time to time in the ETL, and we're thinking of how to best manage this process in our new design/platform in an automated fashion, when there are schema/data structure changes from the source system?Any ideas will be helpful before the project has kick-started.
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