What is Multi-Version Concurrency Control?
Multi-Version Concurrency Control (MVCC) is a database management technique that allows multiple transactions to occur simultaneously without conflicting with each other.
How does MVCC improve database performance?
MVCC improves performance by allowing read operations to access a snapshot of the data, reducing the need for locks and enabling higher concurrency.
Can you give me an example of how MVCC works?
Sure! In MVCC, when a transaction modifies a record, it creates a new version of that record. Other transactions can still read the old version while the new one is being processed.
What are the advantages and disadvantages of using MVCC?
Advantages include increased concurrency and reduced locking. Disadvantages can be higher storage requirements and complexity in managing versions.
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