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What does "NoSQL" mean in programming?
NoSQL is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
A category of databases that do not use the traditional relational table model. NoSQL databases store data as documents, key-value pairs, graphs, or wide columns. They are often chosen for flexibility or scale.
Example
"We use a NoSQL database to store user events because the schema changes frequently."
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