There was a concept of transaction and the way they promote ACID and also schema of database itself to promote integrity of data (either store all data being passed in transaction or not).

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Morningstar Overview (MORN)

Website www.morningstar.com

HQ Chicago, IL

Industry

Information Collection & Delivery

Size

3,200+ Employees, $555M+ Revenue

Competitors

Bloomberg L.P., MarketWatch, Thomson Reuters

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Morningstar’s mission is to create great products that help investors reach their financial goals. We strive to create a culture that is true to our entrepreneurial origins. Our independence, integrity, and advocacy for… — Full Overview

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Interview Question for Senior Software Developer at Morningstar:

I was asked the question about ACID implementation in C#. Also was given a problem described as pretty typical for that company and asked how to deal with that model. The overall problem was about gathering feeds and transforming them into a data via ETL engine to multiple databases.

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