Non Repeatable Read

What is the Read Committed Isolation Level?

Read Committed is an isolation level that guarantees a transaction only ever sees data that has been committed by other transactions, eliminating dirty reads w…

What is a Phantom Read in Database Transactions?

A phantom read is a concurrency anomaly where a transaction re-runs a range query and finds a different set of rows than the first time, because another transa…

Dirty Read vs Non-Repeatable Read: What is the Difference?

A dirty read happens when a transaction reads data written by another transaction that has not yet committed, so it can read a value that later gets rolled bac…