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In-memory database
An in-memory database (IMDB) is a type of database system that stores and manages data primarily in the system's main memory (RAM), rather than on disk or other storage devices. This allows for extremely fast data access and retrieval, as there is no need to read from or write to a physical disk.
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Interesting facts
IMDBs are often used in situations where speed and low-latency data access are critical, such as in high-performance computing, real-time analytics, and applications with high transaction rates. However, it's important to note that data in an IMDB is typically transient and may need to be periodically persisted to disk for durability.