Questions tagged [write-skew]

Can somebody explain me whats exactly the difference between a 'lost update' and a 'write skew' in database transaction theory? Can somebody give me an example?

I'm running Postgres12 and confused about the behavior of the serializable transaction level. Tables: Events id difficulty Managers id level Intended behavior (within serialized transaction): check if there are 7 or more events of…

Let's consider a scenario of a write skew below. In an MVCC protocol for snapshot isolation, let's assume the initial state is this: Item Version Value on_call 3 [Alice, Bob] Then transition TA started and given a unique timestamp of 5…