AI engineering glossary · SQL databases
What is dirty read?
Dirty read: An anomaly where a transaction reads changes another transaction has not yet committed, which may later be rolled back. It only occurs at the weakest isolation level. It is the weakest form of inconsistency.
Dirty read: an example
Transaction B sees a balance of ₹0 written by A, then A rolls back, and B has acted on a value that never existed.
Related terms
More SQL databases terms
Where you learn it
Dirty read is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.