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Walmart Global Tech interview question
What are the differences between NoSql and SQL databases? How would you integrate a "because you viewed items" tab that contains similar items on a shopping page.
Interview Answer
Anonymous
21 Apr 2022
SQL databases scale vertically, while NoSQL databases scale horizontally. It's easier for NoSQL databases to scale because they run on multiple nodes, you can add additional servers to grow. Furthermore, SQL databases have a single point of failure, since they tend to run on a single machine.