Case Study: Nationwide Building Society migrates SQL data to MongoDB Atlas with Relational Migrator

Nationwide cuts migration effort by 50% with MongoDB

Nationwide Building Society, a major UK financial institution, faced the challenge of migrating its critical on-premises overdraft database to the cloud. The system was nearing its end of service life, and the team needed to complete the move from SQL with minimal development effort and human intervention to mitigate risk. To solve this, they turned to MongoDB and utilized its Relational Migrator product.

Using MongoDB Relational Migrator, the team executed a snapshot migration of the database to MongoDB Atlas during a maintenance window. The solution enabled them to move the data quickly and safely, with features like the Query Converter automating the translation of SQL queries. MongoDB's tool saved an estimated 50% of the development effort. The results were significant: a data feed that previously took an hour to generate was reduced to just two minutes, and the society successfully mitigated its end-of-service life risk ahead of schedule.

Nationwide Building Society