Creating a New Version of the Row with a New Transaction ID
- Update of a row in PostgreSQL transaction leads to the creation of the new version of this row with a new transaction ID.
- This makes other transactions process the old row version of the row until the transaction commits, thus the transaction isolation and consistency is preserved.
Multiversion Concurrency Control (MVCC) in PostgreSQL
PostgreSQL is a powerful open-source relational database management system known for its robustness and reliability. One of its key features that sets it apart from other databases is Multiversion Concurrency Control (MVCC). MVCC allows multiple transactions to occur concurrently while ensuring data consistency and integrity.
In this article, We will learn about Getting Started with Multiversion Concurrency Control (MVCC) in PostgreSQL in detail.
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