What is MVCC in databases?
An example of an AI chatbot conversation about MVCC in databases.
What is MVCC in databases?
MVCC stands for Multi-Version Concurrency Control. It's a database management technique that allows multiple transactions to occur simultaneously without conflicting with each other.
How does MVCC improve performance?
MVCC improves performance by allowing read operations to access a snapshot of the data without waiting for write operations to complete, reducing lock contention.
Can you explain how it handles data consistency?
MVCC ensures data consistency by maintaining multiple versions of data items. Each transaction sees a consistent view of the database as of the time it started.
What are the advantages and disadvantages of using MVCC?
Advantages include improved concurrency and reduced locking. Disadvantages can be increased storage requirements and complexity in implementation.
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