Grokking Database Fundamentals for Tech Interviews
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Key-Value Stores
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Key-value stores are a type of NoSQL database designed for simplicity and speed. They store data as key-value pairs, where a key acts as a unique identifier, and the value holds the associated data. These databases are ideal for use cases requiring fast read and write operations, such as caching, session storage, and real-time data applications.

Data Modeling in Key-Value Databases

In key-value databases, data is stored as pairs, like this:

  • Key: A unique identifier, such as a string or number.

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