Magnit, United States - Ispirer

Magnit, United States

Oracle to PostgreSQL Migration using Ispirer Toolkit

Magnit, United States

Sean Thompson

October 7, 2024

We recently undertook a complex migration project involving two separate enterprise-level applications— one from Oracle and the other from SQL Server—both of which needed to be migrated to PostgreSQL. After evaluating several tools, we chose iSpirer's Toolkit, and it exceeded our expectations in every respect.

The applications consisted of the following:

365k lines of code and 4 TB of data from Oracle to PostgreSQL
1 million lines of code and 4 TB of data from MS SQL Server to PostgreSQL

The toolkit’s ability to automate the migration process significantly improved our speed and efficiency. Instead of labor-intensive manual conversions, we were able to leverage its comprehensive automation features, which drastically reduced the migration time by more than 50%. This, in turn, contributed to faster project delivery and increased our executive team's confidence in our work.

The quality of the conversion was outstanding. The toolkit not only handled the data migration but also addressed complex SQL code, schema structures, and stored procedures without requiring extensive postmigration adjustments. The level of precision in converting intricate business logic across two distinct databases into PostgreSQL was remarkable, ensuring a seamless transition with minimal errors. If the toolkit hit a situation, it didn't handle well, we were able to have the iSpirer team customize the conversion to fix it for the generic situation and then have the conversion utility instantly begin to convert all other instances the same way.

From a cost perspective, iSpirer Toolkit provided significant savings. The reduction in manual effort allowed our technical team to focus on other high-priority tasks, and the minimal post-migration fixes led to further cost reductions. The comprehensive support provided by iSpirer's team also ensured that any challenges we encountered were quickly resolved, avoiding unnecessary delays.

Overall, iSpirer Toolkit enabled us to achieve a smooth, high-quality migration at a fraction of the cost and time we initially anticipated. It’s an indispensable tool for any enterprise seeking to migrate databases efficiently while maintaining quality and reducing costs.

Sincerely
Sean Thompson
VP of engineering

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