It's a good idea to learn more about different technologies. I've been amazed throughout my career, and even now as someone working for a software vendor, how many different technologies I run into. I'm also amazed at how little bits of knowledge comes in handy, either to help me understand a problem or to help guide others with a recommendation of how to proceed.

Many of us have experience with relational databases and tabular data. We are comfortable with it, even if we might struggle with a packing problem or using a tally table. However, do you understand how a NoSQL database might be different? Can you even name a few types of NoSQL databases?

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