Posted On: Feb 22, 2018
Multi-version concurrency control or MVCC in PostgreSQL is used to avoid unnecessary locking of the database. This removes the time lag for the user to log into his database. This feature or time lag occurs when someone else is accessing the content. All the transactions are kept as a record.
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The SQL standard is defined by four levels of transaction isolation basically regarding three phenomena. The three phe..
MVCC or better known as Multi-version concurrency control is used to avoid unwanted locking of the database. The time ..