What are some databases that implement MVCC?
An example of an AI chatbot conversation about databases that use Multi-Version Concurrency Control (MVCC).
What are some databases that implement MVCC?
Some popular databases that use Multi-Version Concurrency Control (MVCC) include PostgreSQL, Oracle, and Microsoft SQL Server.
How does MVCC improve performance in these databases?
MVCC allows multiple transactions to occur simultaneously without locking, which reduces wait times and improves throughput.
Are there any downsides to using MVCC?
Yes, MVCC can lead to increased storage requirements due to maintaining multiple versions of data, and it may complicate garbage collection.
Can you give an example of how MVCC works in PostgreSQL?
In PostgreSQL, when a transaction modifies a row, it creates a new version of that row while the old version remains visible to other transactions until they complete.
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