It is named after Amélie Poulain - from the movie Amelie :)

thanks. if everything goes well, it will be ready for testing within one-two week time.

sorry for that

good idea, thanks!

Yes you are right. What you pointed out is a write-skew anomaly which is specific for a Snapshot isolation. The only way to fix this is to upgrade to Serialization level of isolation (SSI for example), which is hopefully will be implemented. Thanks.