MBSQLS3V81_Multi-Version Concurrency Control (MVCC)

algobrief on Instagram: "😁 Interesting fact: Many modern databases never actually "overwrite" your data when you perform an update. Instead, they use a technique called Multi-Version Concurrency Control (MVCC), where the system keeps the old version of your information and simply writes a brand-new one next to it with a timestamp. This allows multiple people to read and write simultaneously without crashing into each other. However, this creates "ghost data" over time, requiring the database to

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