Submit search form   Web fhasovic.blogspot.com Thursday, February 03, 2005 Transaction Isolation Levels in Firebird Source: http://www.dotnetfirebird.org/blog/2005/02/transaction-isolation-levels-in.html Every database operation in Firebird runs inside a transaction . The transactions have these features: Atomicity, Consistency, Isolation, Durability (read more about ACID ). Let's talk a bit about the isolation feature. Isolation says