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Did you know MVCC or MCC (Multi-version concurrency control) method helps to keep database in waiting. This happens at the time, when read and write request is sent at the same time. Read more


  • Multiversion concurrency control (MCC or MVCC), is a concurrency control method commonly used by database management systems to provide concurrent access to the database and in programming languages to implement transactional memory.[1]
  • Isolation is the property that provides guarantees in the concurrent accesses to data. Isolation is implemented by means of a concurrency control protocol.
  • The simplest way is to make all readers wait until the writer is done, which is known as a read-write lock.
  • Locks are known to create contention especially between long read transactions and update transactions.

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